/* * Edit control * * Copyright David W. Metcalfe, 1994 * Copyright William Magro, 1995, 1996 * Copyright Frans van Dorsselaer, 1996, 1997 * */ /* * please read EDIT.TODO (and update it when you change things) */ #include "config.h" #include #include #include "winbase.h" #include "winnt.h" #include "win.h" #include "wine/winbase16.h" #include "wine/winuser16.h" #include "wine/unicode.h" #include "controls.h" #include "local.h" #include "user.h" #include "debugtools.h" #ifdef __WIN32OS2__ #include "ctrlconf.h" #include #include #endif DEFAULT_DEBUG_CHANNEL(edit); DECLARE_DEBUG_CHANNEL(combo); #ifndef __WIN32OS2__ DECLARE_DEBUG_CHANNEL(relay); #define BUFLIMIT_MULTI 0x7FFFFFF /* maximum buffer size (not including '\0') #define BUFLIMIT_SINGLE 0x7FFFFFF /* maximum buffer size (not including '\0') */ #else #define BUFLIMIT_MULTI 65534 /* maximum buffer size (not including '\0') FIXME: BTW, new specs say 65535 (do you dare ???) */ #define BUFLIMIT_SINGLE 32766 /* maximum buffer size (not including '\0') */ #endif #define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */ #define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1)) #define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */ /* * extra flags for EDITSTATE.flags field */ #define EF_MODIFIED 0x0001 /* text has been modified */ #define EF_FOCUSED 0x0002 /* we have input focus */ #define EF_UPDATE 0x0004 /* notify parent of changed state */ #define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */ #define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */ #define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a wrapped line, instead of in front of the next character */ #define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */ typedef enum { END_0 = 0, /* line ends with terminating '\0' character */ END_WRAP, /* line is wrapped */ END_HARD, /* line ends with a hard return '\r\n' */ END_SOFT /* line ends with a soft return '\r\r\n' */ } LINE_END; typedef struct tagLINEDEF { INT length; /* bruto length of a line in bytes */ INT net_length; /* netto length of a line in visible characters */ LINE_END ending; INT width; /* width of the line in pixels */ INT index; /* line index into the buffer */ struct tagLINEDEF *next; } LINEDEF; typedef struct { BOOL is_unicode; /* how the control was created */ LPWSTR text; /* the actual contents of the control */ UINT buffer_size; /* the size of the buffer in characters */ UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */ HFONT font; /* NULL means standard system font */ INT x_offset; /* scroll offset for multi lines this is in pixels for single lines it's in characters */ INT line_height; /* height of a screen line in pixels */ INT char_width; /* average character width in pixels */ DWORD style; /* sane version of wnd->dwStyle */ WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */ INT undo_insert_count; /* number of characters inserted in sequence */ UINT undo_position; /* character index of the insertion and deletion */ LPWSTR undo_text; /* deleted text */ UINT undo_buffer_size; /* size of the deleted text buffer */ INT selection_start; /* == selection_end if no selection */ INT selection_end; /* == current caret position */ WCHAR password_char; /* == 0 if no password char, and for multi line controls */ INT left_margin; /* in pixels */ INT right_margin; /* in pixels */ RECT format_rect; INT text_width; /* width of the widest line in pixels for multi line controls and just line width for single line controls */ INT region_posx; /* Position of cursor relative to region: */ INT region_posy; /* -1: to left, 0: within, 1: to right */ EDITWORDBREAKPROC16 word_break_proc16; void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */ INT line_count; /* number of lines */ INT y_offset; /* scroll offset in number of lines */ BOOL bCaptureState; /* flag indicating whether mouse was captured */ BOOL bEnableState; /* flag keeping the enable state */ HWND hwndParent; /* Handle of parent for sending EN_* messages. Even if parent will change, EN_* messages should be sent to the first parent. */ HWND hwndListBox; /* handle of ComboBox's listbox or NULL */ /* * only for multi line controls */ INT lock_count; /* amount of re-entries in the EditWndProc */ INT tabs_count; LPINT tabs; LINEDEF *first_line_def; /* linked list of (soft) linebreaks */ HLOCAL hloc32W; /* our unicode local memory block */ HLOCAL16 hloc16; /* alias for 16-bit control receiving EM_GETHANDLE16 or EM_SETHANDLE16 */ HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE or EM_SETHANDLE */ #ifdef __WIN32OS2__ LPWSTR compStr; INT compStrLen; BOOL moveCaret; DWORD sentenceMode; #endif } EDITSTATE; #define SWAP_INT32(x,y) do { INT temp = (INT)(x); (x) = (INT)(y); (y) = temp; } while(0) #define ORDER_INT(x,y) do { if ((INT)(y) < (INT)(x)) SWAP_INT32((x),(y)); } while(0) #define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0) #define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0) #define DPRINTF_EDIT_NOTIFY(hwnd, str) \ do {TRACE("notification " str " sent to hwnd=%08x\n", \ (UINT)(hwnd));} while(0) /* used for disabled or read-only edit control */ #define EDIT_SEND_CTLCOLORSTATIC(hwnd,hdc) \ (SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, \ (WPARAM)(hdc), (LPARAM)(hwnd))) #define EDIT_SEND_CTLCOLOR(hwnd,hdc) \ (SendMessageW(GetParent(hwnd), WM_CTLCOLOREDIT, \ (WPARAM)(hdc), (LPARAM)(hwnd))) #define EDIT_NOTIFY_PARENT(hwnd, es, wNotifyCode, str) \ do \ { /* Notify parent which has created this edit control */ \ DPRINTF_EDIT_NOTIFY((es)->hwndParent, str); \ SendMessageW((es)->hwndParent, WM_COMMAND, \ MAKEWPARAM(GetWindowLongA((hwnd),GWL_ID), wNotifyCode), \ (LPARAM)(hwnd)); \ } while(0) #define DPRINTF_EDIT_MSG16(str) \ TRACE(\ "16 bit : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \ hwnd, (UINT)wParam, (UINT)lParam) #define DPRINTF_EDIT_MSG32(str) \ TRACE(\ "32 bit %c : " str ": hwnd=%08x, wParam=%08x, lParam=%08x\n", \ unicode ? 'W' : 'A', \ hwnd, (UINT)wParam, (UINT)lParam) /********************************************************************* * * Declarations * */ /* * These functions have trivial implementations * We still like to call them internally * "static inline" makes them more like macro's */ static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es); static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es); static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es); static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es); /* * Helper functions only valid for one type of control */ static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT iStart, INT iEnd, INT delta, HRGN hrgn); static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es); static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es); static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend); /* * Helper functions valid for both single line _and_ multi line controls */ static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action); static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap); static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y); static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc); static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end); static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es); static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size); static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size); static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend); static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC hdc, INT line, BOOL rev); static INT EDIT_PaintText(EDITSTATE *es, HDC hdc, INT x, INT y, INT line, INT col, INT count, BOOL rev); static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos, BOOL after_wrap); static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT lprc); static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force); static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es); static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action); /* * EM_XXX message handlers */ static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y); static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol); static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es); #ifndef __WIN32OS2__ static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es); #endif static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode); static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end); static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es); static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index); static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line); static INT EDIT_EM_LineLength(EDITSTATE *es, INT index); #ifdef __WIN32OS2__ static INT EDIT_EM_LineLengthA(EDITSTATE *es, INT index); #endif static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy); static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy); static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap); static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update); static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action); static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es); static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc); #ifndef __WIN32OS2__ static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc); #endif static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit); static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right); static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c); static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap); static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs); static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs); static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam); #ifndef __WIN32OS2__ static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp); #endif static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es); /* * WM_XXX message handlers */ static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c); static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND conrtol); static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y); static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es); static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name); static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es); static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc); static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode); static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos); static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key); static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es); static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es); static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y); static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es); static LRESULT EDIT_WM_MButtonDown(HWND hwnd); static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y); static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode); static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam); static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es); static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es); static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw); static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode); static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height); static LRESULT EDIT_WM_StyleChanged (HWND hwnd, EDITSTATE *es, WPARAM which, const STYLESTRUCT *style); static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data); static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es); static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos); static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase); static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase); LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); /********************************************************************* * edit class descriptor */ const struct builtin_class_descr EDIT_builtin_class = { "Edit", /* name */ CS_GLOBALCLASS | CS_DBLCLKS /*| CS_PARENTDC*/, /* style */ EditWndProcA, /* procA */ EditWndProcW, /* procW */ sizeof(EDITSTATE *), /* extra */ IDC_IBEAMA, /* cursor */ 0 /* brush */ }; /********************************************************************* * * EM_CANUNDO * */ static inline BOOL EDIT_EM_CanUndo(EDITSTATE *es) { return (es->undo_insert_count || strlenW(es->undo_text)); } /********************************************************************* * * EM_EMPTYUNDOBUFFER * */ static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es) { es->undo_insert_count = 0; *es->undo_text = '\0'; } /********************************************************************* * * WM_CLEAR * */ static inline void EDIT_WM_Clear(HWND hwnd, EDITSTATE *es) { static const WCHAR empty_stringW[] = {0}; /* Protect read-only edit control from modification */ if(es->style & ES_READONLY) return; EDIT_EM_ReplaceSel(hwnd, es, TRUE, empty_stringW, TRUE); } /********************************************************************* * * WM_CUT * */ static inline void EDIT_WM_Cut(HWND hwnd, EDITSTATE *es) { EDIT_WM_Copy(hwnd, es); EDIT_WM_Clear(hwnd, es); } /********************************************************************** * get_app_version * * Returns the window version in case Wine emulates a later version * of windows then the application expects. * * In a number of cases when windows runs an application that was * designed for an earlier windows version, windows reverts * to "old" behaviour of that earlier version. * * An example is a disabled edit control that needs to be painted. * Old style behaviour is to send a WM_CTLCOLOREDIT message. This was * changed in Win95, NT4.0 by a WM_CTLCOLORSTATIC message _only_ for * applications with an expected version 0f 4.0 or higher. * */ static DWORD get_app_version(void) { static DWORD version; if (!version) { DWORD dwEmulatedVersion; OSVERSIONINFOW info; DWORD dwProcVersion = GetProcessVersion(0); info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW); GetVersionExW( &info ); dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion ); /* FIXME: this may not be 100% correct; see discussion on the * wine developer list in Nov 1999 */ version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion; } return version; } /********************************************************************* * * EditWndProc_common * * The messages are in the order of the actual integer values * (which can be found in include/windows.h) * Wherever possible the 16 bit versions are converted to * the 32 bit ones, so that we can 'fall through' to the * helper functions. These are mostly 32 bit (with a few * exceptions, clearly indicated by a '16' extension to their * names). * */ static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode ) { EDITSTATE *es = (EDITSTATE *)GetWindowLongA( hwnd, 0 ); LRESULT result = 0; switch (msg) { case WM_DESTROY: DPRINTF_EDIT_MSG32("WM_DESTROY"); if (es) EDIT_WM_Destroy(hwnd, es); result = 0; goto END; case WM_NCCREATE: DPRINTF_EDIT_MSG32("WM_NCCREATE"); if(unicode) { LPCREATESTRUCTW cs = (LPCREATESTRUCTW)lParam; result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, TRUE); } else { LPCREATESTRUCTA cs = (LPCREATESTRUCTA)lParam; result = EDIT_WM_NCCreate(hwnd, cs->style, cs->hwndParent, FALSE); } goto END; } if (!es) { if(unicode) result = DefWindowProcW(hwnd, msg, wParam, lParam); else result = DefWindowProcA(hwnd, msg, wParam, lParam); goto END; } EDIT_LockBuffer(hwnd, es); switch (msg) { case EM_GETSEL16: DPRINTF_EDIT_MSG16("EM_GETSEL"); wParam = 0; lParam = 0; /* fall through */ case EM_GETSEL: DPRINTF_EDIT_MSG32("EM_GETSEL"); result = EDIT_EM_GetSel(es, (LPUINT)wParam, (LPUINT)lParam); break; case EM_SETSEL16: DPRINTF_EDIT_MSG16("EM_SETSEL"); if (SLOWORD(lParam) == -1) EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); else #ifdef __WIN32OS2__ if( IsDBCSEnv() && SHIWORD( lParam ) != -1 ) { INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ); LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA ); WORD wLo, wHi; if( textA ) { WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 ); wLo = LOWORD( lParam ); wHi = HIWORD( lParam ); if( wLo > countA ) wLo = countA; wLo = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, wLo, 0, 0 ); if( wHi > countA ) wHi = countA; wHi = ( LPARAM )MultiByteToWideChar( CP_ACP, 0, textA, wHi, 0, 0 ); lParam = MAKELPARAM( wLo, wHi ); HeapFree( GetProcessHeap(), 0, textA ); } #endif EDIT_EM_SetSel(hwnd, es, LOWORD(lParam), HIWORD(lParam), FALSE); #ifdef __WIN32OS2__ } #endif if (!wParam) EDIT_EM_ScrollCaret(hwnd, es); result = 1; break; case EM_SETSEL: DPRINTF_EDIT_MSG32("EM_SETSEL"); #ifdef __WIN32OS2__ if( !unicode && IsDBCSEnv() && ( INT )wParam != -1 && ( INT )lParam != -1 ) { INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ); LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA ); if( textA ) { WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 ); if(( INT )wParam > countA ) wParam = ( WPARAM ) countA; wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 ); if(( INT )lParam > countA ) lParam = ( LPARAM ) countA; lParam = ( LPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )lParam, 0, 0 ); HeapFree( GetProcessHeap(), 0, textA ); } } #endif EDIT_EM_SetSel(hwnd, es, wParam, lParam, FALSE); EDIT_EM_ScrollCaret(hwnd, es); result = 1; break; case EM_GETRECT16: DPRINTF_EDIT_MSG16("EM_GETRECT"); if (lParam) CONV_RECT32TO16(&es->format_rect, MapSL(lParam)); break; case EM_GETRECT: DPRINTF_EDIT_MSG32("EM_GETRECT"); if (lParam) CopyRect((LPRECT)lParam, &es->format_rect); break; case EM_SETRECT16: DPRINTF_EDIT_MSG16("EM_SETRECT"); if ((es->style & ES_MULTILINE) && lParam) { RECT rc; CONV_RECT16TO32(MapSL(lParam), &rc); EDIT_SetRectNP(hwnd, es, &rc); EDIT_UpdateText(hwnd, es, NULL, TRUE); } break; case EM_SETRECT: DPRINTF_EDIT_MSG32("EM_SETRECT"); if ((es->style & ES_MULTILINE) && lParam) { EDIT_SetRectNP(hwnd, es, (LPRECT)lParam); EDIT_UpdateText(hwnd, es, NULL, TRUE); } break; case EM_SETRECTNP16: DPRINTF_EDIT_MSG16("EM_SETRECTNP"); if ((es->style & ES_MULTILINE) && lParam) { RECT rc; CONV_RECT16TO32(MapSL(lParam), &rc); EDIT_SetRectNP(hwnd, es, &rc); } break; case EM_SETRECTNP: DPRINTF_EDIT_MSG32("EM_SETRECTNP"); if ((es->style & ES_MULTILINE) && lParam) EDIT_SetRectNP(hwnd, es, (LPRECT)lParam); break; case EM_SCROLL16: DPRINTF_EDIT_MSG16("EM_SCROLL"); /* fall through */ case EM_SCROLL: DPRINTF_EDIT_MSG32("EM_SCROLL"); result = EDIT_EM_Scroll(hwnd, es, (INT)wParam); break; case EM_LINESCROLL16: DPRINTF_EDIT_MSG16("EM_LINESCROLL"); wParam = (WPARAM)(INT)SHIWORD(lParam); lParam = (LPARAM)(INT)SLOWORD(lParam); /* fall through */ case EM_LINESCROLL: DPRINTF_EDIT_MSG32("EM_LINESCROLL"); result = (LRESULT)EDIT_EM_LineScroll(hwnd, es, (INT)wParam, (INT)lParam); break; case EM_SCROLLCARET16: DPRINTF_EDIT_MSG16("EM_SCROLLCARET"); /* fall through */ case EM_SCROLLCARET: DPRINTF_EDIT_MSG32("EM_SCROLLCARET"); EDIT_EM_ScrollCaret(hwnd, es); result = 1; break; case EM_GETMODIFY16: DPRINTF_EDIT_MSG16("EM_GETMODIFY"); /* fall through */ case EM_GETMODIFY: DPRINTF_EDIT_MSG32("EM_GETMODIFY"); result = ((es->flags & EF_MODIFIED) != 0); break; case EM_SETMODIFY16: DPRINTF_EDIT_MSG16("EM_SETMODIFY"); /* fall through */ case EM_SETMODIFY: DPRINTF_EDIT_MSG32("EM_SETMODIFY"); if (wParam) es->flags |= EF_MODIFIED; else es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */ break; case EM_GETLINECOUNT16: DPRINTF_EDIT_MSG16("EM_GETLINECOUNT"); /* fall through */ case EM_GETLINECOUNT: DPRINTF_EDIT_MSG32("EM_GETLINECOUNT"); result = (es->style & ES_MULTILINE) ? es->line_count : 1; break; case EM_LINEINDEX16: DPRINTF_EDIT_MSG16("EM_LINEINDEX"); if ((INT16)wParam == -1) wParam = (WPARAM)-1; /* fall through */ case EM_LINEINDEX: DPRINTF_EDIT_MSG32("EM_LINEINDEX"); result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam); #ifdef __WIN32OS2__ if( !unicode ) result = WideCharToMultiByte( CP_ACP, 0, es->text, result, 0, 0, 0, 0 ); #endif break; #ifndef __WIN32OS2__ case EM_SETHANDLE16: DPRINTF_EDIT_MSG16("EM_SETHANDLE"); EDIT_EM_SetHandle16(hwnd, es, (HLOCAL16)wParam); break; #endif case EM_SETHANDLE: DPRINTF_EDIT_MSG32("EM_SETHANDLE"); EDIT_EM_SetHandle(hwnd, es, (HLOCAL)wParam); break; #ifndef __WIN32OS2__ case EM_GETHANDLE16: DPRINTF_EDIT_MSG16("EM_GETHANDLE"); result = (LRESULT)EDIT_EM_GetHandle16(hwnd, es); break; #endif case EM_GETHANDLE: DPRINTF_EDIT_MSG32("EM_GETHANDLE"); result = (LRESULT)EDIT_EM_GetHandle(es); break; case EM_GETTHUMB16: DPRINTF_EDIT_MSG16("EM_GETTHUMB"); /* fall through */ case EM_GETTHUMB: DPRINTF_EDIT_MSG32("EM_GETTHUMB"); result = EDIT_EM_GetThumb(hwnd, es); break; /* messages 0x00bf and 0x00c0 missing from specs */ case WM_USER+15: DPRINTF_EDIT_MSG16("undocumented WM_USER+15, please report"); /* fall through */ case 0x00bf: DPRINTF_EDIT_MSG32("undocumented 0x00bf, please report"); result = DefWindowProcW(hwnd, msg, wParam, lParam); break; case WM_USER+16: DPRINTF_EDIT_MSG16("undocumented WM_USER+16, please report"); /* fall through */ case 0x00c0: DPRINTF_EDIT_MSG32("undocumented 0x00c0, please report"); result = DefWindowProcW(hwnd, msg, wParam, lParam); break; case EM_LINELENGTH16: DPRINTF_EDIT_MSG16("EM_LINELENGTH"); /* fall through */ case EM_LINELENGTH: DPRINTF_EDIT_MSG32("EM_LINELENGTH"); #ifdef __WIN32OS2__ if( !unicode ) result = ( LRESULT )EDIT_EM_LineLengthA(es, (INT)wParam); else #endif result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam); break; case EM_REPLACESEL16: DPRINTF_EDIT_MSG16("EM_REPLACESEL"); lParam = (LPARAM)MapSL(lParam); unicode = FALSE; /* 16-bit message is always ascii */ /* fall through */ case EM_REPLACESEL: { LPWSTR textW; DPRINTF_EDIT_MSG32("EM_REPLACESEL"); if(unicode) textW = (LPWSTR)lParam; else { LPSTR textA = (LPSTR)lParam; INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0); if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL) MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW); } EDIT_EM_ReplaceSel(hwnd, es, (BOOL)wParam, textW, TRUE); result = 1; if(!unicode) HeapFree(GetProcessHeap(), 0, textW); break; } /* message 0x00c3 missing from specs */ case WM_USER+19: DPRINTF_EDIT_MSG16("undocumented WM_USER+19, please report"); /* fall through */ case 0x00c3: DPRINTF_EDIT_MSG32("undocumented 0x00c3, please report"); result = DefWindowProcW(hwnd, msg, wParam, lParam); break; case EM_GETLINE16: DPRINTF_EDIT_MSG16("EM_GETLINE"); lParam = (LPARAM)MapSL(lParam); unicode = FALSE; /* 16-bit message is always ascii */ /* fall through */ case EM_GETLINE: DPRINTF_EDIT_MSG32("EM_GETLINE"); result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, lParam, unicode); break; case EM_LIMITTEXT16: DPRINTF_EDIT_MSG16("EM_LIMITTEXT"); /* fall through */ case EM_SETLIMITTEXT: DPRINTF_EDIT_MSG32("EM_SETLIMITTEXT"); EDIT_EM_SetLimitText(es, (INT)wParam); break; case EM_CANUNDO16: DPRINTF_EDIT_MSG16("EM_CANUNDO"); /* fall through */ case EM_CANUNDO: DPRINTF_EDIT_MSG32("EM_CANUNDO"); result = (LRESULT)EDIT_EM_CanUndo(es); break; case EM_UNDO16: DPRINTF_EDIT_MSG16("EM_UNDO"); /* fall through */ case EM_UNDO: /* fall through */ case WM_UNDO: DPRINTF_EDIT_MSG32("EM_UNDO / WM_UNDO"); result = (LRESULT)EDIT_EM_Undo(hwnd, es); break; case EM_FMTLINES16: DPRINTF_EDIT_MSG16("EM_FMTLINES"); /* fall through */ case EM_FMTLINES: DPRINTF_EDIT_MSG32("EM_FMTLINES"); result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam); break; case EM_LINEFROMCHAR16: DPRINTF_EDIT_MSG16("EM_LINEFROMCHAR"); /* fall through */ case EM_LINEFROMCHAR: DPRINTF_EDIT_MSG32("EM_LINEFROMCHAR"); #ifdef __WIN32OS2__ if( !unicode && IsDBCSEnv() && ( INT )wParam != -1 ) { INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ); LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA ); if( textA ) { WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 ); if(( INT )wParam > countA ) wParam = ( WPARAM )countA; wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 ); HeapFree( GetProcessHeap(), 0, textA ); } } #endif result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam); break; /* message 0x00ca missing from specs */ case WM_USER+26: DPRINTF_EDIT_MSG16("undocumented WM_USER+26, please report"); /* fall through */ case 0x00ca: DPRINTF_EDIT_MSG32("undocumented 0x00ca, please report"); result = DefWindowProcW(hwnd, msg, wParam, lParam); break; case EM_SETTABSTOPS16: DPRINTF_EDIT_MSG16("EM_SETTABSTOPS"); result = (LRESULT)EDIT_EM_SetTabStops16(es, (INT)wParam, (LPINT16)MapSL(lParam)); break; case EM_SETTABSTOPS: DPRINTF_EDIT_MSG32("EM_SETTABSTOPS"); result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam); break; case EM_SETPASSWORDCHAR16: DPRINTF_EDIT_MSG16("EM_SETPASSWORDCHAR"); unicode = FALSE; /* 16-bit message is always ascii */ /* fall through */ case EM_SETPASSWORDCHAR: { WCHAR charW = 0; DPRINTF_EDIT_MSG32("EM_SETPASSWORDCHAR"); if(unicode) charW = (WCHAR)wParam; else { CHAR charA = wParam; MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1); } EDIT_EM_SetPasswordChar(hwnd, es, charW); break; } case EM_EMPTYUNDOBUFFER16: DPRINTF_EDIT_MSG16("EM_EMPTYUNDOBUFFER"); /* fall through */ case EM_EMPTYUNDOBUFFER: DPRINTF_EDIT_MSG32("EM_EMPTYUNDOBUFFER"); EDIT_EM_EmptyUndoBuffer(es); break; case EM_GETFIRSTVISIBLELINE16: DPRINTF_EDIT_MSG16("EM_GETFIRSTVISIBLELINE"); result = es->y_offset; break; case EM_GETFIRSTVISIBLELINE: DPRINTF_EDIT_MSG32("EM_GETFIRSTVISIBLELINE"); result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset; break; case EM_SETREADONLY16: DPRINTF_EDIT_MSG16("EM_SETREADONLY"); /* fall through */ case EM_SETREADONLY: DPRINTF_EDIT_MSG32("EM_SETREADONLY"); if (wParam) { SetWindowLongA( hwnd, GWL_STYLE, GetWindowLongA( hwnd, GWL_STYLE ) | ES_READONLY ); es->style |= ES_READONLY; } else { SetWindowLongA( hwnd, GWL_STYLE, GetWindowLongA( hwnd, GWL_STYLE ) & ~ES_READONLY ); es->style &= ~ES_READONLY; } result = 1; break; #ifndef __WIN32OS2__ case EM_SETWORDBREAKPROC16: DPRINTF_EDIT_MSG16("EM_SETWORDBREAKPROC"); EDIT_EM_SetWordBreakProc16(hwnd, es, (EDITWORDBREAKPROC16)lParam); break; #endif case EM_SETWORDBREAKPROC: DPRINTF_EDIT_MSG32("EM_SETWORDBREAKPROC"); EDIT_EM_SetWordBreakProc(hwnd, es, lParam); break; case EM_GETWORDBREAKPROC16: DPRINTF_EDIT_MSG16("EM_GETWORDBREAKPROC"); result = (LRESULT)es->word_break_proc16; break; case EM_GETWORDBREAKPROC: DPRINTF_EDIT_MSG32("EM_GETWORDBREAKPROC"); result = (LRESULT)es->word_break_proc; break; case EM_GETPASSWORDCHAR16: DPRINTF_EDIT_MSG16("EM_GETPASSWORDCHAR"); unicode = FALSE; /* 16-bit message is always ascii */ /* fall through */ case EM_GETPASSWORDCHAR: { DPRINTF_EDIT_MSG32("EM_GETPASSWORDCHAR"); if(unicode) result = es->password_char; else { WCHAR charW = es->password_char; CHAR charA = 0; WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL); result = charA; } break; } /* The following EM_xxx are new to win95 and don't exist for 16 bit */ case EM_SETMARGINS: DPRINTF_EDIT_MSG32("EM_SETMARGINS"); EDIT_EM_SetMargins(es, (INT)wParam, SLOWORD(lParam), SHIWORD(lParam)); break; case EM_GETMARGINS: DPRINTF_EDIT_MSG32("EM_GETMARGINS"); result = MAKELONG(es->left_margin, es->right_margin); break; case EM_GETLIMITTEXT: DPRINTF_EDIT_MSG32("EM_GETLIMITTEXT"); result = es->buffer_limit; break; case EM_POSFROMCHAR: DPRINTF_EDIT_MSG32("EM_POSFROMCHAR"); #ifdef __WIN32OS2__ if( !unicode && IsDBCSEnv() ) { INT countA = WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ); LPSTR textA = HeapAlloc( GetProcessHeap(), 0, countA ); if( textA ) { WideCharToMultiByte( CP_ACP, 0, es->text, -1, textA, countA, 0, 0 ); if(( INT )wParam > countA ) wParam = ( WPARAM ) countA; wParam = ( WPARAM )MultiByteToWideChar( CP_ACP, 0, textA, ( INT )wParam, 0, 0 ); HeapFree( GetProcessHeap(), 0, textA ); } } #endif result = EDIT_EM_PosFromChar(hwnd, es, (INT)wParam, FALSE); break; case EM_CHARFROMPOS: DPRINTF_EDIT_MSG32("EM_CHARFROMPOS"); result = EDIT_EM_CharFromPos(hwnd, es, SLOWORD(lParam), SHIWORD(lParam)); #ifdef __WIN32OS2__ if( !unicode ) { WORD wLo = LOWORD( result ); WORD wHi = HIWORD( result ); wLo = WideCharToMultiByte( CP_ACP, 0, es->text, wLo, 0, 0, 0, 0 ); wHi = WideCharToMultiByte( CP_ACP, 0, es->text, wHi, 0, 0, 0, 0 ); result = ( LRESULT )MAKELONG( wLo, wHi ); } #endif break; /* End of the EM_ messages which were in numerical order; what order * are these in? vaguely alphabetical? */ case WM_GETDLGCODE: DPRINTF_EDIT_MSG32("WM_GETDLGCODE"); result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS; if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN)) { int vk = (int)((LPMSG)lParam)->wParam; if (vk == VK_RETURN && (GetWindowLongA( hwnd, GWL_STYLE ) & ES_WANTRETURN)) { result |= DLGC_WANTMESSAGE; } else if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE)) { if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0)) result |= DLGC_WANTMESSAGE; } } break; case WM_CHAR: { WCHAR charW; DPRINTF_EDIT_MSG32("WM_CHAR"); if(unicode) charW = wParam; else { CHAR charA = wParam; MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1); } if ((charW == VK_RETURN || charW == VK_ESCAPE) && es->hwndListBox) { if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0)) SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0); break; } EDIT_WM_Char(hwnd, es, charW); break; } case WM_CLEAR: DPRINTF_EDIT_MSG32("WM_CLEAR"); EDIT_WM_Clear(hwnd, es); break; case WM_COMMAND: DPRINTF_EDIT_MSG32("WM_COMMAND"); EDIT_WM_Command(hwnd, es, HIWORD(wParam), LOWORD(wParam), (HWND)lParam); break; case WM_CONTEXTMENU: DPRINTF_EDIT_MSG32("WM_CONTEXTMENU"); EDIT_WM_ContextMenu(hwnd, es, SLOWORD(lParam), SHIWORD(lParam)); break; case WM_COPY: DPRINTF_EDIT_MSG32("WM_COPY"); EDIT_WM_Copy(hwnd, es); break; case WM_CREATE: DPRINTF_EDIT_MSG32("WM_CREATE"); if(unicode) result = EDIT_WM_Create(hwnd, es, ((LPCREATESTRUCTW)lParam)->lpszName); else { LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName; LPWSTR nameW = NULL; if(nameA) { INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0); if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL) MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW); } result = EDIT_WM_Create(hwnd, es, nameW); if(nameW) HeapFree(GetProcessHeap(), 0, nameW); } break; case WM_CUT: DPRINTF_EDIT_MSG32("WM_CUT"); EDIT_WM_Cut(hwnd, es); break; case WM_ENABLE: DPRINTF_EDIT_MSG32("WM_ENABLE"); es->bEnableState = (BOOL) wParam; EDIT_UpdateText(hwnd, es, NULL, TRUE); break; case WM_ERASEBKGND: DPRINTF_EDIT_MSG32("WM_ERASEBKGND"); result = EDIT_WM_EraseBkGnd(hwnd, es, (HDC)wParam); break; case WM_GETFONT: DPRINTF_EDIT_MSG32("WM_GETFONT"); result = (LRESULT)es->font; break; case WM_GETTEXT: DPRINTF_EDIT_MSG32("WM_GETTEXT"); result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, lParam, unicode); break; case WM_GETTEXTLENGTH: DPRINTF_EDIT_MSG32("WM_GETTEXTLENGTH"); result = strlenW(es->text); #ifdef __WIN32OS2__ if( !unicode ) result = WideCharToMultiByte( CP_ACP, 0, es->text, result, 0, 0, 0, 0 ); #endif break; case WM_HSCROLL: DPRINTF_EDIT_MSG32("WM_HSCROLL"); result = EDIT_WM_HScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam)); break; #ifdef __WIN32OS2__ case WM_IME_CHAR: { WCHAR charW; DPRINTF_EDIT_MSG32("WM_IME_CHAR"); if(unicode) charW = wParam; else { // always DBCS char CHAR charA[ 2 ]; INT lenA = 1; if( IsDBCSLeadByte(( CHAR )( wParam >> 8 ))) { charA[ 0 ] = ( CHAR )( wParam >> 8 ); charA[ 1 ] = ( CHAR )wParam; lenA = 2; } else charA[ 0 ] = ( CHAR )wParam; MultiByteToWideChar( CP_ACP, 0, ( LPSTR )charA, lenA, ( LPWSTR )&charW, 1); } EDIT_WM_Char(hwnd, es, charW); break; } case WM_IME_COMPOSITION: { HIMC himc; LONG bufSize; INT i; BOOL passToDefWnd = FALSE; #ifdef DEBUG LPSTR strA; INT lenA; #endif DPRINTF_EDIT_MSG32("WM_IME_COMPOSITION"); himc = ImmGetContext( hwnd ); if( es->sentenceMode ) passToDefWnd = TRUE; else if( lParam & GCS_RESULTSTR ) { LPWSTR resultStr = NULL; INT resultStrLen = 0; dprintf(("WM_IME_COMPOSITION : GCS_RESULTSTR")); bufSize = ImmGetCompositionStringW( himc, GCS_RESULTSTR, NULL, 0 ); if( bufSize > 0 ) { INT i; resultStrLen = bufSize / sizeof( WCHAR ); resultStr = malloc( bufSize + sizeof( WCHAR )); resultStr[ resultStrLen ] = 0; ImmGetCompositionStringW( himc, GCS_RESULTSTR, resultStr, bufSize ); #ifdef DEBUG lenA = WideCharToMultiByte( CP_ACP, 0, resultStr, resultStrLen, 0, 0, 0, 0 ); strA = malloc( lenA + 1 ); WideCharToMultiByte( CP_ACP, 0, resultStr, resultStrLen, strA, lenA, 0, 0 ); strA[ lenA ] = 0; dprintf(("Result String : '%s'", strA )); free( strA ); dprintf(("Composition Len %d", es->compStrLen )); #endif DestroyCaret(); if( es->compStrLen > 0 ) { EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); for( i = 0; i < es->compStrLen; i++ ) EDIT_MoveForward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } EDIT_EM_ReplaceSel(hwnd, es, TRUE, resultStr, TRUE); CreateCaret(hwnd, 0, 2, es->line_height); EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); ShowCaret(hwnd); free( resultStr ); } if( es->compStr ) free( es->compStr ); es->compStr = NULL; es->compStrLen = 0; } else if( lParam & GCS_COMPSTR ) { INT prevLen = es->compStrLen; dprintf(("WM_IME_COMPOSITION : GCS_COMPSTR")); if( es->compStr ) free( es->compStr ); es->compStr = NULL; es->compStrLen = 0; bufSize = ImmGetCompositionStringW( himc, GCS_COMPSTR, NULL, 0 ); if( bufSize > 0 ) { HDC hdc; SIZE size; BOOL oldMoveCaret; es->compStrLen = bufSize / sizeof( WCHAR ); es->compStr = malloc( bufSize + sizeof( WCHAR )); es->compStr[ es->compStrLen ] = 0; ImmGetCompositionStringW( himc, GCS_COMPSTR, es->compStr, bufSize ); #ifdef DEBUG lenA = WideCharToMultiByte( CP_ACP, 0, es->compStr, es->compStrLen, 0, 0, 0, 0 ); strA = malloc( lenA + 1 ); WideCharToMultiByte( CP_ACP, 0, es->compStr, es->compStrLen, strA, lenA, 0, 0 ); strA[ lenA ] = 0; dprintf(("Composition String : '%s'", strA )); free( strA ); #endif hdc = GetDC( hwnd ); GetTextExtentPoint32W( hdc, es->compStr, es->compStrLen, &size); ReleaseDC( hwnd, hdc ); oldMoveCaret = es->moveCaret; es->moveCaret = FALSE; // to prevent cursor from flashing too many if( prevLen > 0 ) { EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); for( i = 0; i < prevLen; i++ ) EDIT_MoveForward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } EDIT_EM_ReplaceSel(hwnd, es, TRUE, es->compStr, TRUE); for( i = 0; i < es->compStrLen; i++ ) EDIT_MoveBackward(hwnd, es, FALSE); es->moveCaret = oldMoveCaret; CreateCaret(hwnd, 0, size.cx, es->line_height); EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); ShowCaret(hwnd); } } else passToDefWnd = TRUE; ImmReleaseContext( hwnd, himc ); if( passToDefWnd ) { if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); } break; } case WM_IME_COMPOSITIONFULL: DPRINTF_EDIT_MSG32("WM_IME_COMPOSITIONFULL"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_CONTROL: DPRINTF_EDIT_MSG32("WM_IME_CONTROL"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_ENDCOMPOSITION: DPRINTF_EDIT_MSG32("WM_IME_ENDCOMPOSITION"); if( es->compStr ) { INT i; DestroyCaret(); EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); for( i = 0; i < es->compStrLen; i++ ) EDIT_MoveForward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); CreateCaret(hwnd, 0, 2, es->line_height); EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); ShowCaret(hwnd); free( es->compStr ); } es->compStr = NULL; es->compStrLen = 0; if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_NOTIFY: DPRINTF_EDIT_MSG32("WM_IME_NOTIFY"); if( wParam == IMN_SETSENTENCEMODE ) { HIMC himc; DWORD conversionMode; himc = ImmGetContext( hwnd ); ImmGetConversionStatus( himc, &conversionMode, &es->sentenceMode ); ImmReleaseContext( hwnd, himc ); } if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_REQUEST: DPRINTF_EDIT_MSG32("WM_IME_REQUEST"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_SELECT: DPRINTF_EDIT_MSG32("WM_IME_SELECT"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_SETCONTEXT: DPRINTF_EDIT_MSG32("WM_IME_SETCONTEXT"); dprintf(("ImmGetProperty %08lx", ImmGetProperty( 0, IGP_CONVERSION ))); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case WM_IME_STARTCOMPOSITION: DPRINTF_EDIT_MSG32("WM_IME_STARTCOMPOSITION"); es->compStr = NULL; es->compStrLen = 0; if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case EM_GETIMESTATUS: DPRINTF_EDIT_MSG32("EM_GETIMESTATUS"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; case EM_SETIMESTATUS: DPRINTF_EDIT_MSG32("EM_SETIMESTATUS"); if( unicode ) result = DefWindowProcW( hwnd, msg, wParam, lParam ); else result = DefWindowProcA( hwnd, msg, wParam, lParam ); break; #endif case WM_KEYDOWN: DPRINTF_EDIT_MSG32("WM_KEYDOWN"); result = EDIT_WM_KeyDown(hwnd, es, (INT)wParam); break; case WM_KILLFOCUS: DPRINTF_EDIT_MSG32("WM_KILLFOCUS"); result = EDIT_WM_KillFocus(hwnd, es); break; case WM_LBUTTONDBLCLK: DPRINTF_EDIT_MSG32("WM_LBUTTONDBLCLK"); result = EDIT_WM_LButtonDblClk(hwnd, es); break; case WM_LBUTTONDOWN: DPRINTF_EDIT_MSG32("WM_LBUTTONDOWN"); result = EDIT_WM_LButtonDown(hwnd, es, (DWORD)wParam, SLOWORD(lParam), SHIWORD(lParam)); break; case WM_LBUTTONUP: DPRINTF_EDIT_MSG32("WM_LBUTTONUP"); result = EDIT_WM_LButtonUp(hwnd, es); break; case WM_MBUTTONDOWN: DPRINTF_EDIT_MSG32("WM_MBUTTONDOWN"); result = EDIT_WM_MButtonDown(hwnd); break; case WM_MOUSEACTIVATE: /* * FIXME: maybe DefWindowProc() screws up, but it seems that * modeless dialog boxes need this. If we don't do this, the focus * will _not_ be set by DefWindowProc() for edit controls in a * modeless dialog box ??? */ DPRINTF_EDIT_MSG32("WM_MOUSEACTIVATE"); SetFocus(hwnd); result = MA_ACTIVATE; break; case WM_MOUSEMOVE: /* * DPRINTF_EDIT_MSG32("WM_MOUSEMOVE"); */ result = EDIT_WM_MouseMove(hwnd, es, SLOWORD(lParam), SHIWORD(lParam)); break; case WM_PAINT: DPRINTF_EDIT_MSG32("WM_PAINT"); EDIT_WM_Paint(hwnd, es, wParam); break; case WM_PASTE: DPRINTF_EDIT_MSG32("WM_PASTE"); EDIT_WM_Paste(hwnd, es); break; case WM_SETFOCUS: DPRINTF_EDIT_MSG32("WM_SETFOCUS"); EDIT_WM_SetFocus(hwnd, es); break; case WM_SETFONT: DPRINTF_EDIT_MSG32("WM_SETFONT"); EDIT_WM_SetFont(hwnd, es, (HFONT)wParam, LOWORD(lParam) != 0); break; case WM_SETREDRAW: /* FIXME: actually set an internal flag and behave accordingly */ break; case WM_SETTEXT: DPRINTF_EDIT_MSG32("WM_SETTEXT"); EDIT_WM_SetText(hwnd, es, lParam, unicode); result = TRUE; break; case WM_SIZE: DPRINTF_EDIT_MSG32("WM_SIZE"); EDIT_WM_Size(hwnd, es, (UINT)wParam, LOWORD(lParam), HIWORD(lParam)); break; case WM_STYLECHANGED: DPRINTF_EDIT_MSG32("WM_STYLECHANGED"); result = EDIT_WM_StyleChanged (hwnd, es, wParam, (const STYLESTRUCT *)lParam); break; case WM_STYLECHANGING: DPRINTF_EDIT_MSG32("WM_STYLECHANGING"); result = 0; /* See EDIT_WM_StyleChanged */ break; case WM_SYSKEYDOWN: DPRINTF_EDIT_MSG32("WM_SYSKEYDOWN"); result = EDIT_WM_SysKeyDown(hwnd, es, (INT)wParam, (DWORD)lParam); break; case WM_TIMER: DPRINTF_EDIT_MSG32("WM_TIMER"); EDIT_WM_Timer(hwnd, es); break; case WM_VSCROLL: DPRINTF_EDIT_MSG32("WM_VSCROLL"); result = EDIT_WM_VScroll(hwnd, es, LOWORD(wParam), SHIWORD(wParam)); break; case WM_MOUSEWHEEL: { int gcWheelDelta = 0; UINT pulScrollLines = 3; SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0); if (wParam & (MK_SHIFT | MK_CONTROL)) { result = DefWindowProcW(hwnd, msg, wParam, lParam); break; } gcWheelDelta -= SHIWORD(wParam); if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines) { int cLineScroll= (int) min((UINT) es->line_count, pulScrollLines); cLineScroll *= (gcWheelDelta / WHEEL_DELTA); result = EDIT_EM_LineScroll(hwnd, es, 0, cLineScroll); } } break; default: if(unicode) result = DefWindowProcW(hwnd, msg, wParam, lParam); else result = DefWindowProcA(hwnd, msg, wParam, lParam); break; } EDIT_UnlockBuffer(hwnd, es, FALSE); END: return result; } /********************************************************************* * * EditWndProcW (USER32.@) */ LRESULT WINAPI EditWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { if (!IsWindow( hWnd )) return 0; return EditWndProc_common(hWnd, uMsg, wParam, lParam, TRUE); } /********************************************************************* * * EditWndProc (USER32.@) */ LRESULT WINAPI EditWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { if (!IsWindow( hWnd )) return 0; return EditWndProc_common(hWnd, uMsg, wParam, lParam, FALSE); } /********************************************************************* * * EDIT_BuildLineDefs_ML * * Build linked list of text lines. * Lines can end with '\0' (last line), a character (if it is wrapped), * a soft return '\r\r\n' or a hard return '\r\n' * */ static void EDIT_BuildLineDefs_ML(HWND hwnd, EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn) { HDC dc; HFONT old_font = 0; LPWSTR current_position, cp; INT fw; LINEDEF *current_line; LINEDEF *previous_line; LINEDEF *start_line; INT line_index = 0, nstart_line = 0, nstart_index = 0; INT line_count = es->line_count; INT orig_net_length; RECT rc; if (istart == iend && delta == 0) return; dc = GetDC(hwnd); if (es->font) old_font = SelectObject(dc, es->font); previous_line = NULL; current_line = es->first_line_def; /* Find starting line. istart must lie inside an existing line or * at the end of buffer */ do { if (istart < current_line->index + current_line->length || current_line->ending == END_0) break; previous_line = current_line; current_line = current_line->next; line_index++; } while (current_line); if (!current_line) /* Error occurred start is not inside previous buffer */ { FIXME(" modification occurred outside buffer\n"); return; } /* Remember start of modifications in order to calculate update region */ nstart_line = line_index; nstart_index = current_line->index; /* We must start to reformat from the previous line since the modifications * may have caused the line to wrap upwards. */ if (!(es->style & ES_AUTOHSCROLL) && line_index > 0) { line_index--; current_line = previous_line; } start_line = current_line; fw = es->format_rect.right - es->format_rect.left; current_position = es->text + current_line->index; do { if (current_line != start_line) { if (!current_line || current_line->index + delta > current_position - es->text) { /* The buffer has been expanded, create a new line and insert it into the link list */ LINEDEF *new_line = HeapAlloc(GetProcessHeap(), 0, sizeof(LINEDEF)); new_line->next = previous_line->next; previous_line->next = new_line; current_line = new_line; es->line_count++; } else if (current_line->index + delta < current_position - es->text) { /* The previous line merged with this line so we delete this extra entry */ previous_line->next = current_line->next; HeapFree(GetProcessHeap(), 0, current_line); current_line = previous_line->next; es->line_count--; continue; } else /* current_line->index + delta == current_position */ { if (current_position - es->text > iend) break; /* We reached end of line modifications */ /* else recalulate this line */ } } current_line->index = current_position - es->text; orig_net_length = current_line->net_length; /* Find end of line */ cp = current_position; while (*cp) { if ((*cp == '\r') && (*(cp + 1) == '\n')) break; cp++; } /* Mark type of line termination */ if (!(*cp)) { current_line->ending = END_0; current_line->net_length = strlenW(current_position); } else if ((cp > current_position) && (*(cp - 1) == '\r')) { current_line->ending = END_SOFT; current_line->net_length = cp - current_position - 1; } else { current_line->ending = END_HARD; current_line->net_length = cp - current_position; } /* Calculate line width */ current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position, current_line->net_length, es->tabs_count, es->tabs)); /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */ if ((!(es->style & ES_AUTOHSCROLL)) && (current_line->width > fw)) { INT next = 0; INT prev; do { prev = next; next = EDIT_CallWordBreakProc(es, current_position - es->text, prev + 1, current_line->net_length, WB_RIGHT); current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position, next, es->tabs_count, es->tabs)); } while (current_line->width <= fw); if (!prev) { /* Didn't find a line break so force a break */ next = 0; do { prev = next; next++; current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position, next, es->tabs_count, es->tabs)); } while (current_line->width <= fw); if (!prev) prev = 1; } /* If the first line we are calculating, wrapped before istart, we must * adjust istart in order for this to be reflected in the update region. */ if (current_line->index == nstart_index && istart > current_line->index + prev) istart = current_line->index + prev; /* else if we are updating the previous line before the first line we * are re-calculating and it expanded */ else if (current_line == start_line && current_line->index != nstart_index && orig_net_length < prev) { /* Line expanded due to an upwards line wrap so we must partially include * previous line in update region */ nstart_line = line_index; nstart_index = current_line->index; istart = current_line->index + orig_net_length; } current_line->net_length = prev; current_line->ending = END_WRAP; current_line->width = (INT)LOWORD(GetTabbedTextExtentW(dc, current_position, current_line->net_length, es->tabs_count, es->tabs)); } /* Adjust length to include line termination */ switch (current_line->ending) { case END_SOFT: current_line->length = current_line->net_length + 3; break; case END_HARD: current_line->length = current_line->net_length + 2; break; case END_WRAP: case END_0: current_line->length = current_line->net_length; break; } es->text_width = max(es->text_width, current_line->width); current_position += current_line->length; previous_line = current_line; current_line = current_line->next; line_index++; } while (previous_line->ending != END_0); /* Finish adjusting line indexes by delta or remove hanging lines */ if (previous_line->ending == END_0) { LINEDEF *pnext = NULL; previous_line->next = NULL; while (current_line) { pnext = current_line->next; HeapFree(GetProcessHeap(), 0, current_line); current_line = pnext; es->line_count--; } } else { while (current_line) { current_line->index += delta; current_line = current_line->next; } } /* Calculate rest of modification rectangle */ if (hrgn) { HRGN tmphrgn; /* * We calculate two rectangles. One for the first line which may have * an indent with respect to the format rect. The other is a format-width * rectangle that spans the rest of the lines that changed or moved. */ rc.top = es->format_rect.top + nstart_line * es->line_height - (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */ rc.bottom = rc.top + es->line_height; rc.left = es->format_rect.left + (INT)LOWORD(GetTabbedTextExtentW(dc, es->text + nstart_index, istart - nstart_index, es->tabs_count, es->tabs)) - es->x_offset; /* Adjust for horz scroll */ rc.right = es->format_rect.right; SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom); rc.top = rc.bottom; rc.left = es->format_rect.left; rc.right = es->format_rect.right; /* * If lines were added or removed we must re-paint the remainder of the * lines since the remaining lines were either shifted up or down. */ if (line_count < es->line_count) /* We added lines */ rc.bottom = es->line_count * es->line_height; else if (line_count > es->line_count) /* We removed lines */ rc.bottom = line_count * es->line_height; else rc.bottom = line_index * es->line_height; rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */ tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom); CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR); DeleteObject(tmphrgn); } if (es->font) SelectObject(dc, old_font); ReleaseDC(hwnd, dc); } /********************************************************************* * * EDIT_CalcLineWidth_SL * */ static void EDIT_CalcLineWidth_SL(HWND hwnd, EDITSTATE *es) { es->text_width = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, strlenW(es->text), FALSE)); } /********************************************************************* * * EDIT_CallWordBreakProc * * Call appropriate WordBreakProc (internal or external). * * Note: The "start" argument should always be an index referring * to es->text. The actual wordbreak proc might be * 16 bit, so we can't always pass any 32 bit LPSTR. * Hence we assume that es->text is the buffer that holds * the string under examination (we can decide this for ourselves). * */ /* ### start build ### */ extern WORD CALLBACK EDIT_CallTo16_word_lwww(EDITWORDBREAKPROC16,SEGPTR,WORD,WORD,WORD); /* ### stop build ### */ static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action) { INT ret, iWndsLocks; /* To avoid any deadlocks, all the locks on the window structures must be suspended before the control is passed to the application */ iWndsLocks = WIN_SuspendWndsLock(); #ifndef __WIN32OS2__ if (es->word_break_proc16) { HGLOBAL16 hglob16; SEGPTR segptr; INT countA; countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL); hglob16 = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT, countA); segptr = K32WOWGlobalLock16(hglob16); WideCharToMultiByte(CP_ACP, 0, es->text + start, count, MapSL(segptr), countA, NULL, NULL); ret = (INT)EDIT_CallTo16_word_lwww(es->word_break_proc16, segptr, index, countA, action); GlobalUnlock16(hglob16); GlobalFree16(hglob16); } else #endif if (es->word_break_proc) { if(es->is_unicode) { EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc; TRACE_(relay)("(UNICODE wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n", es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action); ret = wbpW(es->text + start, index, count, action); } else { EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc; INT countA; CHAR *textA; countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL); textA = HeapAlloc(GetProcessHeap(), 0, countA); WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL); TRACE_(relay)("(ANSI wordbrk=%p,str=%s,idx=%d,cnt=%d,act=%d)\n", es->word_break_proc, debugstr_an(textA, countA), index, countA, action); ret = wbpA(textA, index, countA, action); HeapFree(GetProcessHeap(), 0, textA); } } else ret = EDIT_WordBreakProc(es->text + start, index, count, action); WIN_RestoreWndsLock(iWndsLocks); return ret; } /********************************************************************* * * EDIT_CharFromPos * * Beware: This is not the function called on EM_CHARFROMPOS * The position _can_ be outside the formatting / client * rectangle * The return value is only the character index * */ static INT EDIT_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y, LPBOOL after_wrap) { INT index; HDC dc; HFONT old_font = 0; if (es->style & ES_MULTILINE) { INT line = (y - es->format_rect.top) / es->line_height + es->y_offset; INT line_index = 0; LINEDEF *line_def = es->first_line_def; INT low, high; while ((line > 0) && line_def->next) { line_index += line_def->length; line_def = line_def->next; line--; } x += es->x_offset - es->format_rect.left; if (x >= line_def->width) { if (after_wrap) *after_wrap = (line_def->ending == END_WRAP); return line_index + line_def->net_length; } if (x <= 0) { if (after_wrap) *after_wrap = FALSE; return line_index; } dc = GetDC(hwnd); if (es->font) old_font = SelectObject(dc, es->font); low = line_index + 1; high = line_index + line_def->net_length + 1; while (low < high - 1) { INT mid = (low + high) / 2; if (LOWORD(GetTabbedTextExtentW(dc, es->text + line_index,mid - line_index, es->tabs_count, es->tabs)) > x) high = mid; else low = mid; } index = low; if (after_wrap) *after_wrap = ((index == line_index + line_def->net_length) && (line_def->ending == END_WRAP)); } else { LPWSTR text; SIZE size; if (after_wrap) *after_wrap = FALSE; x -= es->format_rect.left; if (!x) return es->x_offset; text = EDIT_GetPasswordPointer_SL(es); dc = GetDC(hwnd); if (es->font) old_font = SelectObject(dc, es->font); if (x < 0) { INT low = 0; INT high = es->x_offset; while (low < high - 1) { INT mid = (low + high) / 2; GetTextExtentPoint32W( dc, text + mid, es->x_offset - mid, &size ); if (size.cx > -x) low = mid; else high = mid; } index = low; } else { INT low = es->x_offset; INT high = strlenW(es->text) + 1; while (low < high - 1) { INT mid = (low + high) / 2; GetTextExtentPoint32W( dc, text + es->x_offset, mid - es->x_offset, &size ); if (size.cx > x) high = mid; else low = mid; } index = low; } if (es->style & ES_PASSWORD) HeapFree(GetProcessHeap(), 0, text); } if (es->font) SelectObject(dc, old_font); ReleaseDC(hwnd, dc); return index; } /********************************************************************* * * EDIT_ConfinePoint * * adjusts the point to be within the formatting rectangle * (so CharFromPos returns the nearest _visible_ character) * */ static void EDIT_ConfinePoint(EDITSTATE *es, LPINT x, LPINT y) { *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1); *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1); } /********************************************************************* * * EDIT_GetLineRect * * Calculates the bounding rectangle for a line from a starting * column to an ending column. * */ static void EDIT_GetLineRect(HWND hwnd, EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc) { INT line_index = EDIT_EM_LineIndex(es, line); if (es->style & ES_MULTILINE) rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height; else rc->top = es->format_rect.top; rc->bottom = rc->top + es->line_height; rc->left = (scol == 0) ? es->format_rect.left : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + scol, TRUE)); rc->right = (ecol == -1) ? es->format_rect.right : SLOWORD(EDIT_EM_PosFromChar(hwnd, es, line_index + ecol, TRUE)); } /********************************************************************* * * EDIT_GetPasswordPointer_SL * * note: caller should free the (optionally) allocated buffer * */ static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es) { if (es->style & ES_PASSWORD) { INT len = strlenW(es->text); LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR)); text[len] = '\0'; while(len) text[--len] = es->password_char; return text; } else return es->text; } /********************************************************************* * * EDIT_LockBuffer * * This acts as a LOCAL_Lock(), but it locks only once. This way * you can call it whenever you like, without unlocking. * */ static void EDIT_LockBuffer(HWND hwnd, EDITSTATE *es) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); if (!es) { ERR("no EDITSTATE ... please report\n"); return; } if (!es->text) { CHAR *textA = NULL; UINT countA = 0; BOOL _16bit = FALSE; if(es->hloc32W) { if(es->hloc32A) { TRACE("Synchronizing with 32-bit ANSI buffer\n"); textA = LocalLock(es->hloc32A); countA = strlen(textA) + 1; } else if(es->hloc16) { TRACE("Synchronizing with 16-bit ANSI buffer\n"); textA = LOCAL_Lock(hInstance, es->hloc16); countA = strlen(textA) + 1; _16bit = TRUE; } } else { ERR("no buffer ... please report\n"); return; } if(textA) { HLOCAL hloc32W_new; UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); TRACE("%d bytes translated to %d WCHARs\n", countA, countW_new); if(countW_new > es->buffer_size + 1) { UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR)); TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new); hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); if(hloc32W_new) { es->hloc32W = hloc32W_new; es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1; TRACE("Real new size %d+1 WCHARs\n", es->buffer_size); } else WARN("FAILED! Will synchronize partially\n"); } } /*TRACE("Locking 32-bit UNICODE buffer\n");*/ es->text = LocalLock(es->hloc32W); if(textA) { MultiByteToWideChar(CP_ACP, 0, textA, countA, es->text, es->buffer_size + 1); if(_16bit) LOCAL_Unlock(hInstance, es->hloc16); else LocalUnlock(es->hloc32A); } } es->lock_count++; } /********************************************************************* * * EDIT_SL_InvalidateText * * Called from EDIT_InvalidateText(). * Does the job for single-line controls only. * */ static void EDIT_SL_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end) { RECT line_rect; RECT rc; EDIT_GetLineRect(hwnd, es, 0, start, end, &line_rect); if (IntersectRect(&rc, &line_rect, &es->format_rect)) EDIT_UpdateText(hwnd, es, &rc, FALSE); } /********************************************************************* * * EDIT_ML_InvalidateText * * Called from EDIT_InvalidateText(). * Does the job for multi-line controls only. * */ static void EDIT_ML_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end) { INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; INT sl = EDIT_EM_LineFromChar(es, start); INT el = EDIT_EM_LineFromChar(es, end); INT sc; INT ec; RECT rc1; RECT rcWnd; RECT rcLine; RECT rcUpdate; INT l; if ((el < es->y_offset) || (sl > es->y_offset + vlc)) return; sc = start - EDIT_EM_LineIndex(es, sl); ec = end - EDIT_EM_LineIndex(es, el); if (sl < es->y_offset) { sl = es->y_offset; sc = 0; } if (el > es->y_offset + vlc) { el = es->y_offset + vlc; ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el)); } GetClientRect(hwnd, &rc1); IntersectRect(&rcWnd, &rc1, &es->format_rect); if (sl == el) { EDIT_GetLineRect(hwnd, es, sl, sc, ec, &rcLine); if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE); } else { EDIT_GetLineRect(hwnd, es, sl, sc, EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, sl)), &rcLine); if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE); for (l = sl + 1 ; l < el ; l++) { EDIT_GetLineRect(hwnd, es, l, 0, EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, l)), &rcLine); if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE); } EDIT_GetLineRect(hwnd, es, el, 0, ec, &rcLine); if (IntersectRect(&rcUpdate, &rcWnd, &rcLine)) EDIT_UpdateText(hwnd, es, &rcUpdate, FALSE); } } /********************************************************************* * * EDIT_InvalidateText * * Invalidate the text from offset start upto, but not including, * offset end. Useful for (re)painting the selection. * Regions outside the linewidth are not invalidated. * end == -1 means end == TextLength. * start and end need not be ordered. * */ static void EDIT_InvalidateText(HWND hwnd, EDITSTATE *es, INT start, INT end) { if (end == start) return; if (end == -1) end = strlenW(es->text); ORDER_INT(start, end); if (es->style & ES_MULTILINE) EDIT_ML_InvalidateText(hwnd, es, start, end); else EDIT_SL_InvalidateText(hwnd, es, start, end); } /********************************************************************* * * EDIT_MakeFit * * Try to fit size + 1 characters in the buffer. Constrain to limits. * */ static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size) { HLOCAL hNew32W; if (size <= es->buffer_size) return TRUE; #ifndef __WIN32OS2__ //SvL: EM_SETTEXTLIMIT has no effect in // NT4, SP6 (EM_GETTEXTLIMIT only returns that value). // Limits are simply ignored, no EN_MAXTEXT notification is ever sent. // (fixes license edit control in Microsoft Visual C++ 4.2 install) if (size > es->buffer_limit) { EDIT_NOTIFY_PARENT(hwnd, es, EN_MAXTEXT, "EN_MAXTEXT"); return FALSE; } if (size > es->buffer_limit) size = es->buffer_limit; #endif TRACE("trying to ReAlloc to %d+1 characters\n", size); /* Force edit to unlock it's buffer. es->text now NULL */ EDIT_UnlockBuffer(hwnd, es, TRUE); if (es->hloc32W) { UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR)); if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT)) != 0) { TRACE("Old 32 bit handle %08x, new handle %08x\n", es->hloc32W, hNew32W); es->hloc32W = hNew32W; es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1; } } EDIT_LockBuffer(hwnd, es); if (es->buffer_size < size) { WARN("FAILED ! We now have %d+1\n", es->buffer_size); EDIT_NOTIFY_PARENT(hwnd, es, EN_ERRSPACE, "EN_ERRSPACE"); return FALSE; } else { TRACE("We now have %d+1\n", es->buffer_size); return TRUE; } } /********************************************************************* * * EDIT_MakeUndoFit * * Try to fit size + 1 bytes in the undo buffer. * */ static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size) { UINT alloc_size; if (size <= es->undo_buffer_size) return TRUE; TRACE("trying to ReAlloc to %d+1\n", size); alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR)); if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size)) != 0) { #ifdef __WIN32OS2__ es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1; #else es->undo_buffer_size = alloc_size/sizeof(WCHAR); #endif return TRUE; } else { WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size); return FALSE; } } /********************************************************************* * * EDIT_MoveBackward * */ static void EDIT_MoveBackward(HWND hwnd, EDITSTATE *es, BOOL extend) { INT e = es->selection_end; if (e) { e--; if ((es->style & ES_MULTILINE) && e && (es->text[e - 1] == '\r') && (es->text[e] == '\n')) { e--; if (e && (es->text[e - 1] == '\r')) e--; } } EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveDown_ML * * Only for multi line controls * Move the caret one line down, on a column with the nearest * x coordinate on the screen (might be a different column). * */ static void EDIT_MoveDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; BOOL after_wrap = (es->flags & EF_AFTER_WRAP); LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap); INT x = SLOWORD(pos); INT y = SHIWORD(pos); e = EDIT_CharFromPos(hwnd, es, x, y + es->line_height, &after_wrap); if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveEnd * */ static void EDIT_MoveEnd(HWND hwnd, EDITSTATE *es, BOOL extend) { BOOL after_wrap = FALSE; INT e; /* Pass a high value in x to make sure of receiving the end of the line */ if (es->style & ES_MULTILINE) e = EDIT_CharFromPos(hwnd, es, 0x3fffffff, HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap); else e = strlenW(es->text); EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveForward * */ static void EDIT_MoveForward(HWND hwnd, EDITSTATE *es, BOOL extend) { INT e = es->selection_end; if (es->text[e]) { e++; if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) { if (es->text[e] == '\n') e++; else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n')) e += 2; } } EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveHome * * Home key: move to beginning of line. * */ static void EDIT_MoveHome(HWND hwnd, EDITSTATE *es, BOOL extend) { INT e; /* Pass the x_offset in x to make sure of receiving the first position of the line */ if (es->style & ES_MULTILINE) e = EDIT_CharFromPos(hwnd, es, -es->x_offset, HIWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL); else e = 0; EDIT_EM_SetSel(hwnd, es, extend ? es->selection_start : e, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MovePageDown_ML * * Only for multi line controls * Move the caret one page down, on a column with the nearest * x coordinate on the screen (might be a different column). * */ static void EDIT_MovePageDown_ML(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; BOOL after_wrap = (es->flags & EF_AFTER_WRAP); LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap); INT x = SLOWORD(pos); INT y = SHIWORD(pos); e = EDIT_CharFromPos(hwnd, es, x, y + (es->format_rect.bottom - es->format_rect.top), &after_wrap); if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MovePageUp_ML * * Only for multi line controls * Move the caret one page up, on a column with the nearest * x coordinate on the screen (might be a different column). * */ static void EDIT_MovePageUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; BOOL after_wrap = (es->flags & EF_AFTER_WRAP); LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap); INT x = SLOWORD(pos); INT y = SHIWORD(pos); e = EDIT_CharFromPos(hwnd, es, x, y - (es->format_rect.bottom - es->format_rect.top), &after_wrap); if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveUp_ML * * Only for multi line controls * Move the caret one line up, on a column with the nearest * x coordinate on the screen (might be a different column). * */ static void EDIT_MoveUp_ML(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; BOOL after_wrap = (es->flags & EF_AFTER_WRAP); LRESULT pos = EDIT_EM_PosFromChar(hwnd, es, e, after_wrap); INT x = SLOWORD(pos); INT y = SHIWORD(pos); e = EDIT_CharFromPos(hwnd, es, x, y - es->line_height, &after_wrap); if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveWordBackward * */ static void EDIT_MoveWordBackward(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; INT l; INT ll; INT li; l = EDIT_EM_LineFromChar(es, e); ll = EDIT_EM_LineLength(es, e); li = EDIT_EM_LineIndex(es, l); if (e - li == 0) { if (l) { li = EDIT_EM_LineIndex(es, l - 1); e = li + EDIT_EM_LineLength(es, li); } } else { e = li + (INT)EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT); } if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_MoveWordForward * */ static void EDIT_MoveWordForward(HWND hwnd, EDITSTATE *es, BOOL extend) { INT s = es->selection_start; INT e = es->selection_end; INT l; INT ll; INT li; l = EDIT_EM_LineFromChar(es, e); ll = EDIT_EM_LineLength(es, e); li = EDIT_EM_LineIndex(es, l); if (e - li == ll) { if ((es->style & ES_MULTILINE) && (l != es->line_count - 1)) e = EDIT_EM_LineIndex(es, l + 1); } else { e = li + EDIT_CallWordBreakProc(es, li, e - li + 1, ll, WB_RIGHT); } if (!extend) s = e; EDIT_EM_SetSel(hwnd, es, s, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * EDIT_PaintLine * */ static void EDIT_PaintLine(HWND hwnd, EDITSTATE *es, HDC dc, INT line, BOOL rev) { INT s = es->selection_start; INT e = es->selection_end; INT li; INT ll; INT x; INT y; LRESULT pos; HBRUSH brush; RECT rc; if (es->style & ES_MULTILINE) { INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count)) return; } else if (line) return; TRACE("line=%d\n", line); pos = EDIT_EM_PosFromChar(hwnd, es, EDIT_EM_LineIndex(es, line), FALSE); x = SLOWORD(pos); y = SHIWORD(pos); li = EDIT_EM_LineIndex(es, line); ll = EDIT_EM_LineLength(es, li); s = es->selection_start; e = es->selection_end; ORDER_INT(s, e); s = min(li + ll, max(li, s)); e = min(li + ll, max(li, e)); if (rev && (s != e) && ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) { x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE); x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE); x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE); } else x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE); #if 0 #ifdef __WIN32OS2__ if ( get_app_version() >= 0x40000 &&( !es->bEnableState || (es->style & ES_READONLY))) brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc); else brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc); if (!brush) brush = (HBRUSH)GetStockObject(WHITE_BRUSH); rc.left = x; rc.right = es->format_rect.right; rc.top = y; rc.bottom = y + es->line_height; FillRect(dc, &rc, brush); #endif #endif } /********************************************************************* * * EDIT_PaintText * */ static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev) { COLORREF BkColor; COLORREF TextColor; INT ret; INT li; INT BkMode; SIZE size; if (!count) return 0; BkMode = GetBkMode(dc); BkColor = GetBkColor(dc); TextColor = GetTextColor(dc); if (rev) { SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT)); SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT)); SetBkMode( dc, OPAQUE); } li = EDIT_EM_LineIndex(es, line); if (es->style & ES_MULTILINE) { ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count, es->tabs_count, es->tabs, es->format_rect.left - es->x_offset)); } else { LPWSTR text = EDIT_GetPasswordPointer_SL(es); TextOutW(dc, x, y, text + li + col, count); GetTextExtentPoint32W(dc, text + li + col, count, &size); ret = size.cx; if (es->style & ES_PASSWORD) HeapFree(GetProcessHeap(), 0, text); } if (rev) { SetBkColor(dc, BkColor); SetTextColor(dc, TextColor); SetBkMode( dc, BkMode); } return ret; } /********************************************************************* * * EDIT_SetCaretPos * */ static void EDIT_SetCaretPos(HWND hwnd, EDITSTATE *es, INT pos, BOOL after_wrap) { LRESULT res = EDIT_EM_PosFromChar(hwnd, es, pos, after_wrap); #ifdef __WIN32OS2__ if( es->moveCaret ) { HIMC himc; CANDIDATEFORM candForm; himc = ImmGetContext( hwnd ); #endif SetCaretPos(SLOWORD(res), SHIWORD(res)); #ifdef __WIN32OS2__ if( es->sentenceMode ) { COMPOSITIONFORM cf; cf.dwStyle = CFS_POINT; cf.ptCurrentPos.x = SLOWORD( res ); cf.ptCurrentPos.y = SHIWORD( res ); ImmSetCompositionWindow( himc, &cf ); } candForm.dwIndex = 0; candForm.dwStyle = CFS_CANDIDATEPOS; candForm.ptCurrentPos.x = SLOWORD( res ); candForm.ptCurrentPos.y = SHIWORD( res ) + es->line_height; ImmSetCandidateWindow( himc, &candForm ); ImmReleaseContext( hwnd, himc ); } #endif } /********************************************************************* * * EDIT_SetRectNP * * note: this is not (exactly) the handler called on EM_SETRECTNP * it is also used to set the rect of a single line control * */ static void EDIT_SetRectNP(HWND hwnd, EDITSTATE *es, LPRECT rc) { CopyRect(&es->format_rect, rc); if (es->style & WS_BORDER) { INT bw = GetSystemMetrics(SM_CXBORDER) + 1; if(TWEAK_WineLook == WIN31_LOOK) bw += 2; es->format_rect.left += bw; es->format_rect.top += bw; es->format_rect.right -= bw; es->format_rect.bottom -= bw; } es->format_rect.left += es->left_margin; es->format_rect.right -= es->right_margin; es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width); if (es->style & ES_MULTILINE) { INT fw, vlc, max_x_offset, max_y_offset; vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; es->format_rect.bottom = es->format_rect.top + max(1, vlc) * es->line_height; /* correct es->x_offset */ fw = es->format_rect.right - es->format_rect.left; max_x_offset = es->text_width - fw; if(max_x_offset < 0) max_x_offset = 0; if(es->x_offset > max_x_offset) es->x_offset = max_x_offset; /* correct es->y_offset */ max_y_offset = es->line_count - vlc; if(max_y_offset < 0) max_y_offset = 0; if(es->y_offset > max_y_offset) es->y_offset = max_y_offset; /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); } else /* Windows doesn't care to fix text placement for SL controls */ es->format_rect.bottom = es->format_rect.top + es->line_height; if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); } /********************************************************************* * * EDIT_UnlockBuffer * */ static void EDIT_UnlockBuffer(HWND hwnd, EDITSTATE *es, BOOL force) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); /* Edit window might be already destroyed */ if(!IsWindow(hwnd)) { WARN("edit hwnd %04x already destroyed\n", hwnd); return; } if (!es) { ERR("no EDITSTATE ... please report\n"); return; } if (!es->lock_count) { ERR("lock_count == 0 ... please report\n"); return; } if (!es->text) { ERR("es->text == 0 ... please report\n"); return; } if (force || (es->lock_count == 1)) { if (es->hloc32W) { CHAR *textA = NULL; BOOL _16bit = FALSE; UINT countA = 0; UINT countW = strlenW(es->text) + 1; if(es->hloc32A) { UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL); TRACE("Synchronizing with 32-bit ANSI buffer\n"); TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new); countA = LocalSize(es->hloc32A); if(countA_new > countA) { HLOCAL hloc32A_new; UINT alloc_size = ROUND_TO_GROW(countA_new); TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size); hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); if(hloc32A_new) { es->hloc32A = hloc32A_new; countA = LocalSize(hloc32A_new); TRACE("Real new size %d bytes\n", countA); } else WARN("FAILED! Will synchronize partially\n"); } textA = LocalLock(es->hloc32A); } else if(es->hloc16) { UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL); TRACE("Synchronizing with 16-bit ANSI buffer\n"); TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new); countA = LOCAL_Size(hInstance, es->hloc16); if(countA_new > countA) { HLOCAL16 hloc16_new; UINT alloc_size = ROUND_TO_GROW(countA_new); TRACE("Resizing 16-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size); hloc16_new = LOCAL_ReAlloc(hInstance, es->hloc16, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT); if(hloc16_new) { es->hloc16 = hloc16_new; countA = LOCAL_Size(hInstance, hloc16_new); TRACE("Real new size %d bytes\n", countA); } else WARN("FAILED! Will synchronize partially\n"); } textA = LOCAL_Lock(hInstance, es->hloc16); _16bit = TRUE; } if(textA) { WideCharToMultiByte(CP_ACP, 0, es->text, countW, textA, countA, NULL, NULL); if(_16bit) LOCAL_Unlock(hInstance, es->hloc16); else LocalUnlock(es->hloc32A); } LocalUnlock(es->hloc32W); es->text = NULL; } else { ERR("no buffer ... please report\n"); return; } } es->lock_count--; } /********************************************************************* * * EDIT_UpdateScrollInfo * */ static void EDIT_UpdateScrollInfo(HWND hwnd, EDITSTATE *es) { if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK)) { SCROLLINFO si; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL; si.nMin = 0; si.nMax = es->line_count - 1; si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height; si.nPos = es->y_offset; TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n", si.nMin, si.nMax, si.nPage, si.nPos); SetScrollInfo(hwnd, SB_VERT, &si, TRUE); } if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK)) { SCROLLINFO si; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL; si.nMin = 0; si.nMax = es->text_width - 1; si.nPage = es->format_rect.right - es->format_rect.left; si.nPos = es->x_offset; TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n", si.nMin, si.nMax, si.nPage, si.nPos); SetScrollInfo(hwnd, SB_HORZ, &si, TRUE); } } /********************************************************************* * * EDIT_WordBreakProc * * Find the beginning of words. * Note: unlike the specs for a WordBreakProc, this function only * allows to be called without linebreaks between s[0] upto * s[count - 1]. Remember it is only called * internally, so we can decide this for ourselves. * */ static INT CALLBACK EDIT_WordBreakProc(LPWSTR s, INT index, INT count, INT action) { INT ret = 0; TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action); if(!s) return 0; switch (action) { case WB_LEFT: if (!count) break; if (index) index--; if (s[index] == ' ') { while (index && (s[index] == ' ')) index--; if (index) { while (index && (s[index] != ' ')) index--; if (s[index] == ' ') index++; } } else { while (index && (s[index] != ' ')) index--; if (s[index] == ' ') index++; } ret = index; break; case WB_RIGHT: if (!count) break; if (index) index--; if (s[index] == ' ') while ((index < count) && (s[index] == ' ')) index++; else { while (s[index] && (s[index] != ' ') && (index < count)) index++; while ((s[index] == ' ') && (index < count)) index++; } ret = index; break; case WB_ISDELIMITER: ret = (s[index] == ' '); break; default: ERR("unknown action code, please report !\n"); break; } return ret; } /********************************************************************* * * EM_CHARFROMPOS * * returns line number (not index) in high-order word of result. * NB : Q137805 is unclear about this. POINT * pointer in lParam apply * to Richedit, not to the edit control. Original documentation is valid. * FIXME: do the specs mean to return -1 if outside client area or * if outside formatting rectangle ??? * */ static LRESULT EDIT_EM_CharFromPos(HWND hwnd, EDITSTATE *es, INT x, INT y) { POINT pt; RECT rc; INT index; pt.x = x; pt.y = y; GetClientRect(hwnd, &rc); if (!PtInRect(&rc, pt)) return -1; index = EDIT_CharFromPos(hwnd, es, x, y, NULL); return MAKELONG(index, EDIT_EM_LineFromChar(es, index)); } /********************************************************************* * * EM_FMTLINES * * Enable or disable soft breaks. */ static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol) { es->flags &= ~EF_USE_SOFTBRK; if (add_eol) { es->flags |= EF_USE_SOFTBRK; FIXME("soft break enabled, not implemented\n"); } return add_eol; } /********************************************************************* * * EM_GETHANDLE * * Hopefully this won't fire back at us. * We always start with a fixed buffer in the local heap. * Despite of the documentation says that the local heap is used * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate * buffer on the local heap. * */ static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es) { HLOCAL hLocal; if (!(es->style & ES_MULTILINE)) return 0; if(es->is_unicode) hLocal = es->hloc32W; else { if(!es->hloc32A) { CHAR *textA; UINT countA, alloc_size; TRACE("Allocating 32-bit ANSI alias buffer\n"); countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL); alloc_size = ROUND_TO_GROW(countA); if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) { ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size); return 0; } textA = LocalLock(es->hloc32A); WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL); LocalUnlock(es->hloc32A); } hLocal = es->hloc32A; } TRACE("Returning %04X, LocalSize() = %d\n", hLocal, LocalSize(hLocal)); return hLocal; } #ifndef __WIN32OS2__ /********************************************************************* * * EM_GETHANDLE16 * * Hopefully this won't fire back at us. * We always start with a buffer in 32 bit linear memory. * However, with this message a 16 bit application requests * a handle of 16 bit local heap memory, where it expects to find * the text. * It's a pitty that from this moment on we have to use this * local heap, because applications may rely on the handle * in the future. * * In this function we'll try to switch to local heap. */ static HLOCAL16 EDIT_EM_GetHandle16(HWND hwnd, EDITSTATE *es) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); CHAR *textA; UINT countA, alloc_size; if (!(es->style & ES_MULTILINE)) return 0; if (es->hloc16) return es->hloc16; if (!LOCAL_HeapSize(hInstance)) { if (!LocalInit16(hInstance, 0, GlobalSize16(hInstance))) { ERR("could not initialize local heap\n"); return 0; } TRACE("local heap initialized\n"); } countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL); alloc_size = ROUND_TO_GROW(countA); TRACE("Allocating 16-bit ANSI alias buffer\n"); if (!(es->hloc16 = LOCAL_Alloc(hInstance, LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) { ERR("could not allocate new 16 bit buffer\n"); return 0; } if (!(textA = (LPSTR)LOCAL_Lock(hInstance, es->hloc16))) { ERR("could not lock new 16 bit buffer\n"); LOCAL_Free(hInstance, es->hloc16); es->hloc16 = 0; return 0; } WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL); LOCAL_Unlock(hInstance, es->hloc16); TRACE("Returning %04X, LocalSize() = %d\n", es->hloc16, LOCAL_Size(hInstance, es->hloc16)); return es->hloc16; } #endif /********************************************************************* * * EM_GETLINE * */ static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPARAM lParam, BOOL unicode) { LPWSTR src; INT line_len, dst_len; INT i; if (es->style & ES_MULTILINE) { if (line >= es->line_count) return 0; } else line = 0; i = EDIT_EM_LineIndex(es, line); src = es->text + i; line_len = EDIT_EM_LineLength(es, i); dst_len = *(WORD *)lParam; if(unicode) { LPWSTR dst = (LPWSTR)lParam; if(dst_len <= line_len) { memcpy(dst, src, dst_len * sizeof(WCHAR)); return dst_len; } else /* Append 0 if enough space */ { memcpy(dst, src, line_len * sizeof(WCHAR)); dst[line_len] = 0; return line_len; } } else { LPSTR dst = (LPSTR)lParam; INT ret; ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, dst, dst_len, NULL, NULL); if(!ret) /* Insufficient buffer size */ return dst_len; if(ret < dst_len) /* Append 0 if enough space */ dst[ret] = 0; return ret; } } /********************************************************************* * * EM_GETSEL * */ static LRESULT EDIT_EM_GetSel(EDITSTATE *es, LPUINT start, LPUINT end) { UINT s = es->selection_start; UINT e = es->selection_end; #ifdef __WIN32OS2__ if( !es->is_unicode) { s = WideCharToMultiByte( CP_ACP, 0, es->text, s, 0, 0, 0, 0 ); e = WideCharToMultiByte( CP_ACP, 0, es->text, e, 0, 0, 0, 0 ); } #endif ORDER_UINT(s, e); if (start) *start = s; if (end) *end = e; return MAKELONG(s, e); } /********************************************************************* * * EM_GETTHUMB * * FIXME: is this right ? (or should it be only VSCROLL) * (and maybe only for edit controls that really have their * own scrollbars) (and maybe only for multiline controls ?) * All in all: very poorly documented * */ static LRESULT EDIT_EM_GetThumb(HWND hwnd, EDITSTATE *es) { return MAKELONG(EDIT_WM_VScroll(hwnd, es, EM_GETTHUMB16, 0), EDIT_WM_HScroll(hwnd, es, EM_GETTHUMB16, 0)); } /********************************************************************* * * EM_LINEFROMCHAR * */ static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index) { INT line; LINEDEF *line_def; if (!(es->style & ES_MULTILINE)) return 0; if (index > (INT)strlenW(es->text)) return es->line_count - 1; if (index == -1) index = min(es->selection_start, es->selection_end); line = 0; line_def = es->first_line_def; index -= line_def->length; while ((index >= 0) && line_def->next) { line++; line_def = line_def->next; index -= line_def->length; } return line; } /********************************************************************* * * EM_LINEINDEX * */ static INT EDIT_EM_LineIndex(EDITSTATE *es, INT line) { INT line_index; LINEDEF *line_def; if (!(es->style & ES_MULTILINE)) return 0; if (line >= es->line_count) return -1; line_index = 0; line_def = es->first_line_def; if (line == -1) { INT index = es->selection_end - line_def->length; while ((index >= 0) && line_def->next) { line_index += line_def->length; line_def = line_def->next; index -= line_def->length; } } else { while (line > 0) { line_index += line_def->length; line_def = line_def->next; line--; } } return line_index; } /********************************************************************* * * EM_LINELENGTH * */ static INT EDIT_EM_LineLength(EDITSTATE *es, INT index) { LINEDEF *line_def; if (!(es->style & ES_MULTILINE)) return strlenW(es->text); if (index == -1) { /* get the number of remaining non-selected chars of selected lines */ INT32 l; /* line number */ INT32 li; /* index of first char in line */ INT32 count; l = EDIT_EM_LineFromChar(es, es->selection_start); /* # chars before start of selection area */ count = es->selection_start - EDIT_EM_LineIndex(es, l); l = EDIT_EM_LineFromChar(es, es->selection_end); /* # chars after end of selection */ li = EDIT_EM_LineIndex(es, l); count += li + EDIT_EM_LineLength(es, li) - es->selection_end; return count; } line_def = es->first_line_def; index -= line_def->length; while ((index >= 0) && line_def->next) { line_def = line_def->next; index -= line_def->length; } return line_def->net_length; } #ifdef __WIN32OS2__ /********************************************************************* * * EM_LINELENGTH for ANSI * */ static INT EDIT_EM_LineLengthA(EDITSTATE *es, INT index) { LINEDEF *line_def; if (!(es->style & ES_MULTILINE)) return ( WideCharToMultiByte( CP_ACP, 0, es->text, -1, 0, 0, 0, 0 ) - 1); if (index == -1) { /* get the number of remaining non-selected chars of selected lines */ INT32 l; /* line number */ INT32 li; /* index of first char in line */ INT32 count; l = EDIT_EM_LineFromChar(es, es->selection_start); li = EDIT_EM_LineIndex( es, l ); li = WideCharToMultiByte( CP_ACP, 0, es->text, li, 0, 0, 0, 0 ); /* # chars before start of selection area */ count = WideCharToMultiByte( CP_ACP, 0, es->text, es->selection_start, 0, 0, 0, 0 ); count -= li; l = EDIT_EM_LineFromChar(es, es->selection_end); /* # chars after end of selection */ li = EDIT_EM_LineIndex(es, l); li = WideCharToMultiByte( CP_ACP, 0, es->text, li, 0, 0, 0, 0 ); count += li + EDIT_EM_LineLengthA(es, li); count -= WideCharToMultiByte( CP_ACP, 0, es->text, es->selection_end, 0, 0, 0, 0 ); return count; } line_def = es->first_line_def; index -= line_def->length; while ((index >= 0) && line_def->next) { line_def = line_def->next; index -= line_def->length; } return WideCharToMultiByte( CP_ACP, 0, es->text + line_def->index, line_def->net_length, 0, 0, 0, 0 ); } #endif /********************************************************************* * * EM_LINESCROLL * * NOTE: dx is in average character widths, dy - in lines; * */ static BOOL EDIT_EM_LineScroll(HWND hwnd, EDITSTATE *es, INT dx, INT dy) { if (!(es->style & ES_MULTILINE)) return FALSE; dx *= es->char_width; return EDIT_EM_LineScroll_internal(hwnd, es, dx, dy); } /********************************************************************* * * EDIT_EM_LineScroll_internal * * Version of EDIT_EM_LineScroll for internal use. * It doesn't refuse if ES_MULTILINE is set and assumes that * dx is in pixels, dy - in lines. * */ static BOOL EDIT_EM_LineScroll_internal(HWND hwnd, EDITSTATE *es, INT dx, INT dy) { INT nyoff; INT x_offset_in_pixels; if (es->style & ES_MULTILINE) { x_offset_in_pixels = es->x_offset; } else { dy = 0; x_offset_in_pixels = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->x_offset, FALSE)); } if (-dx > x_offset_in_pixels) dx = -x_offset_in_pixels; if (dx > es->text_width - x_offset_in_pixels) dx = es->text_width - x_offset_in_pixels; nyoff = max(0, es->y_offset + dy); if (nyoff >= es->line_count) nyoff = es->line_count - 1; dy = (es->y_offset - nyoff) * es->line_height; if (dx || dy) { RECT rc1; RECT rc; es->y_offset = nyoff; if(es->style & ES_MULTILINE) es->x_offset += dx; else es->x_offset += dx / es->char_width; GetClientRect(hwnd, &rc1); IntersectRect(&rc, &rc1, &es->format_rect); ScrollWindowEx(hwnd, -dx, dy, #ifdef __WIN32OS2__ NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE|SW_ERASE); #else NULL, &rc, (HRGN)NULL, NULL, SW_INVALIDATE); #endif /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); } if (dx && !(es->flags & EF_HSCROLL_TRACK)) EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL"); if (dy && !(es->flags & EF_VSCROLL_TRACK)) EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL"); return TRUE; } /********************************************************************* * * EM_POSFROMCHAR * */ static LRESULT EDIT_EM_PosFromChar(HWND hwnd, EDITSTATE *es, INT index, BOOL after_wrap) { INT len = strlenW(es->text); INT l; INT li; INT x; INT y = 0; HDC dc; HFONT old_font = 0; SIZE size; index = min(index, len); dc = GetDC(hwnd); if (es->font) old_font = SelectObject(dc, es->font); if (es->style & ES_MULTILINE) { l = EDIT_EM_LineFromChar(es, index); y = (l - es->y_offset) * es->line_height; li = EDIT_EM_LineIndex(es, l); if (after_wrap && (li == index) && l) { INT l2 = l - 1; LINEDEF *line_def = es->first_line_def; while (l2) { line_def = line_def->next; l2--; } if (line_def->ending == END_WRAP) { l--; y -= es->line_height; li = EDIT_EM_LineIndex(es, l); } } x = LOWORD(GetTabbedTextExtentW(dc, es->text + li, index - li, es->tabs_count, es->tabs)) - es->x_offset; } else { LPWSTR text = EDIT_GetPasswordPointer_SL(es); if (index < es->x_offset) { GetTextExtentPoint32W(dc, text + index, es->x_offset - index, &size); x = -size.cx; } else { GetTextExtentPoint32W(dc, text + es->x_offset, index - es->x_offset, &size); x = size.cx; } y = 0; if (es->style & ES_PASSWORD) HeapFree(GetProcessHeap(), 0, text); } x += es->format_rect.left; y += es->format_rect.top; if (es->font) SelectObject(dc, old_font); ReleaseDC(hwnd, dc); return MAKELONG((INT16)x, (INT16)y); } /********************************************************************* * * EM_REPLACESEL * * FIXME: handle ES_NUMBER and ES_OEMCONVERT here * */ static void EDIT_EM_ReplaceSel(HWND hwnd, EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replace, BOOL send_update) { UINT strl = strlenW(lpsz_replace); UINT tl = strlenW(es->text); UINT utl; UINT s; UINT e; UINT i; LPWSTR p; HRGN hrgn = 0; TRACE("%s, can_undo %d, send_update %d\n", debugstr_w(lpsz_replace), can_undo, send_update); s = es->selection_start; e = es->selection_end; if ((s == e) && !strl) return; ORDER_UINT(s, e); if (!EDIT_MakeFit(hwnd, es, tl - (e - s) + strl)) return; if (e != s) { /* there is something to be deleted */ TRACE("deleting stuff.\n"); if (can_undo) { utl = strlenW(es->undo_text); if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) { /* undo-buffer is extended to the right */ EDIT_MakeUndoFit(es, utl + e - s); strncpyW(es->undo_text + utl, es->text + s, e - s + 1); (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */ } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) { /* undo-buffer is extended to the left */ EDIT_MakeUndoFit(es, utl + e - s); for (p = es->undo_text + utl ; p >= es->undo_text ; p--) p[e - s] = p[0]; for (i = 0 , p = es->undo_text ; i < e - s ; i++) p[i] = (es->text + s)[i]; es->undo_position = s; } else { /* new undo-buffer */ EDIT_MakeUndoFit(es, e - s); strncpyW(es->undo_text, es->text + s, e - s + 1); es->undo_text[e - s] = 0; /* ensure 0 termination */ es->undo_position = s; } /* any deletion makes the old insertion-undo invalid */ es->undo_insert_count = 0; } else EDIT_EM_EmptyUndoBuffer(es); /* now delete */ strcpyW(es->text + s, es->text + e); } if (strl) { /* there is an insertion */ if (can_undo) { if ((s == es->undo_position) || ((es->undo_insert_count) && (s == es->undo_position + es->undo_insert_count))) /* * insertion is new and at delete position or * an extension to either left or right */ es->undo_insert_count += strl; else { /* new insertion undo */ es->undo_position = s; es->undo_insert_count = strl; /* new insertion makes old delete-buffer invalid */ *es->undo_text = '\0'; } } else EDIT_EM_EmptyUndoBuffer(es); /* now insert */ tl = strlenW(es->text); TRACE("inserting stuff (tl %d, strl %d, selstart %d ('%s'), text '%s')\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text)); for (p = es->text + tl ; p >= es->text + s ; p--) p[strl] = p[0]; for (i = 0 , p = es->text + s ; i < strl ; i++) p[i] = lpsz_replace[i]; if(es->style & ES_UPPERCASE) CharUpperBuffW(p, strl); else if(es->style & ES_LOWERCASE) CharLowerBuffW(p, strl); s += strl; } if (es->style & ES_MULTILINE) { INT s = min(es->selection_start, es->selection_end); hrgn = CreateRectRgn(0, 0, 0, 0); EDIT_BuildLineDefs_ML(hwnd, es, s, s + strl, strl - abs(es->selection_end - es->selection_start), hrgn); } else EDIT_CalcLineWidth_SL(hwnd, es); EDIT_EM_SetSel(hwnd, es, s, s, FALSE); es->flags |= EF_MODIFIED; if (send_update) es->flags |= EF_UPDATE; EDIT_EM_ScrollCaret(hwnd, es); /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); if (hrgn) { EDIT_UpdateTextRegion(hwnd, es, hrgn, TRUE); DeleteObject(hrgn); } else EDIT_UpdateText(hwnd, es, NULL, TRUE); if(es->flags & EF_UPDATE) { es->flags &= ~EF_UPDATE; EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE"); } } /********************************************************************* * * EM_SCROLL * */ static LRESULT EDIT_EM_Scroll(HWND hwnd, EDITSTATE *es, INT action) { INT dy; if (!(es->style & ES_MULTILINE)) return (LRESULT)FALSE; dy = 0; switch (action) { case SB_LINEUP: if (es->y_offset) dy = -1; break; case SB_LINEDOWN: if (es->y_offset < es->line_count - 1) dy = 1; break; case SB_PAGEUP: if (es->y_offset) dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height; break; case SB_PAGEDOWN: if (es->y_offset < es->line_count - 1) dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height; break; default: return (LRESULT)FALSE; } if (dy) { INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; /* check if we are going to move too far */ if(es->y_offset + dy > es->line_count - vlc) dy = es->line_count - vlc - es->y_offset; /* Notification is done in EDIT_EM_LineScroll */ if(dy) EDIT_EM_LineScroll(hwnd, es, 0, dy); } return MAKELONG((INT16)dy, (BOOL16)TRUE); } /********************************************************************* * * EM_SCROLLCARET * */ static void EDIT_EM_ScrollCaret(HWND hwnd, EDITSTATE *es) { if (es->style & ES_MULTILINE) { INT l; INT li; INT vlc; INT ww; INT cw = es->char_width; INT x; INT dy = 0; INT dx = 0; l = EDIT_EM_LineFromChar(es, es->selection_end); li = EDIT_EM_LineIndex(es, l); x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP)); vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; if (l >= es->y_offset + vlc) dy = l - vlc + 1 - es->y_offset; if (l < es->y_offset) dy = l - es->y_offset; ww = es->format_rect.right - es->format_rect.left; if (x < es->format_rect.left) dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw; if (x > es->format_rect.right) dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw; if (dy || dx) { /* check if we are going to move too far */ if(es->x_offset + dx + ww > es->text_width) dx = es->text_width - ww - es->x_offset; if(dx || dy) EDIT_EM_LineScroll_internal(hwnd, es, dx, dy); } } else { INT x; INT goal; INT format_width; if (!(es->style & ES_AUTOHSCROLL)) return; x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE)); format_width = es->format_rect.right - es->format_rect.left; if (x < es->format_rect.left) { goal = es->format_rect.left + format_width / HSCROLL_FRACTION; do { es->x_offset--; x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE)); } while ((x < goal) && es->x_offset); /* FIXME: use ScrollWindow() somehow to improve performance */ EDIT_UpdateText(hwnd, es, NULL, TRUE); } else if (x > es->format_rect.right) { INT x_last; INT len = strlenW(es->text); goal = es->format_rect.right - format_width / HSCROLL_FRACTION; do { es->x_offset++; x = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, es->selection_end, FALSE)); x_last = SLOWORD(EDIT_EM_PosFromChar(hwnd, es, len, FALSE)); } while ((x > goal) && (x_last > es->format_rect.right)); /* FIXME: use ScrollWindow() somehow to improve performance */ EDIT_UpdateText(hwnd, es, NULL, TRUE); } } if(es->flags & EF_FOCUSED) EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); } /********************************************************************* * * EM_SETHANDLE * * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ??? * */ static void EDIT_EM_SetHandle(HWND hwnd, EDITSTATE *es, HLOCAL hloc) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); if (!(es->style & ES_MULTILINE)) return; if (!hloc) { WARN("called with NULL handle\n"); return; } EDIT_UnlockBuffer(hwnd, es, TRUE); #ifndef __WIN32OS2__ if(es->hloc16) { LOCAL_Free(hInstance, es->hloc16); es->hloc16 = (HLOCAL16)NULL; } #endif if(es->is_unicode) { if(es->hloc32A) { LocalFree(es->hloc32A); es->hloc32A = (HLOCAL)NULL; } es->hloc32W = hloc; } else { INT countW, countA; HLOCAL hloc32W_new; WCHAR *textW; CHAR *textA; countA = LocalSize(hloc); textA = LocalLock(hloc); countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR)))) { ERR("Could not allocate new unicode buffer\n"); return; } textW = LocalLock(hloc32W_new); MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW); LocalUnlock(hloc32W_new); LocalUnlock(hloc); if(es->hloc32W) LocalFree(es->hloc32W); es->hloc32W = hloc32W_new; es->hloc32A = hloc; } es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; EDIT_LockBuffer(hwnd, es); es->x_offset = es->y_offset = 0; es->selection_start = es->selection_end = 0; EDIT_EM_EmptyUndoBuffer(es); es->flags &= ~EF_MODIFIED; es->flags &= ~EF_UPDATE; EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); EDIT_UpdateText(hwnd, es, NULL, TRUE); EDIT_EM_ScrollCaret(hwnd, es); /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); } #ifndef __WIN32OS2__ /********************************************************************* * * EM_SETHANDLE16 * * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ??? * */ static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); INT countW, countA; HLOCAL hloc32W_new; WCHAR *textW; CHAR *textA; if (!(es->style & ES_MULTILINE)) return; if (!hloc) { WARN("called with NULL handle\n"); return; } EDIT_UnlockBuffer(hwnd, es, TRUE); if(es->hloc32A) { LocalFree(es->hloc32A); es->hloc32A = (HLOCAL)NULL; } countA = LOCAL_Size(hInstance, hloc); textA = LOCAL_Lock(hInstance, hloc); countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0); if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR)))) { ERR("Could not allocate new unicode buffer\n"); return; } textW = LocalLock(hloc32W_new); MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW); LocalUnlock(hloc32W_new); LOCAL_Unlock(hInstance, hloc); if(es->hloc32W) LocalFree(es->hloc32W); es->hloc32W = hloc32W_new; es->hloc16 = hloc; es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; EDIT_LockBuffer(hwnd, es); es->x_offset = es->y_offset = 0; es->selection_start = es->selection_end = 0; EDIT_EM_EmptyUndoBuffer(es); es->flags &= ~EF_MODIFIED; es->flags &= ~EF_UPDATE; EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); EDIT_UpdateText(hwnd, es, NULL, TRUE); EDIT_EM_ScrollCaret(hwnd, es); /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); } #endif /********************************************************************* * * EM_SETLIMITTEXT * * FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF * However, the windows version is not complied to yet in all of edit.c * */ static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit) { if (es->style & ES_MULTILINE) { if (limit) es->buffer_limit = min(limit, BUFLIMIT_MULTI); else es->buffer_limit = BUFLIMIT_MULTI; } else { if (limit) es->buffer_limit = min(limit, BUFLIMIT_SINGLE); else es->buffer_limit = BUFLIMIT_SINGLE; } } /********************************************************************* * * EM_SETMARGINS * * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an * action wParam despite what the docs say. EC_USEFONTINFO means one third * of the char's width, according to the new docs. * */ static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right) { if (action & EC_LEFTMARGIN) { if (left != EC_USEFONTINFO) es->left_margin = left; else es->left_margin = es->char_width / 3; } if (action & EC_RIGHTMARGIN) { if (right != EC_USEFONTINFO) es->right_margin = right; else es->right_margin = es->char_width / 3; } TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin); } /********************************************************************* * * EM_SETPASSWORDCHAR * */ static void EDIT_EM_SetPasswordChar(HWND hwnd, EDITSTATE *es, WCHAR c) { LONG style; if (es->style & ES_MULTILINE) return; if (es->password_char == c) return; style = GetWindowLongA( hwnd, GWL_STYLE ); es->password_char = c; if (c) { SetWindowLongA( hwnd, GWL_STYLE, style | ES_PASSWORD ); es->style |= ES_PASSWORD; } else { SetWindowLongA( hwnd, GWL_STYLE, style & ~ES_PASSWORD ); es->style &= ~ES_PASSWORD; } EDIT_UpdateText(hwnd, es, NULL, TRUE); } /********************************************************************* * * EDIT_EM_SetSel * * note: unlike the specs say: the order of start and end * _is_ preserved in Windows. (i.e. start can be > end) * In other words: this handler is OK * */ static void EDIT_EM_SetSel(HWND hwnd, EDITSTATE *es, UINT start, UINT end, BOOL after_wrap) { UINT old_start = es->selection_start; UINT old_end = es->selection_end; UINT len = strlenW(es->text); if (start == (UINT)-1) { start = es->selection_end; end = es->selection_end; } else { start = min(start, len); end = min(end, len); } es->selection_start = start; es->selection_end = end; if (after_wrap) es->flags |= EF_AFTER_WRAP; else es->flags &= ~EF_AFTER_WRAP; /* This is a little bit more efficient than before, not sure if it can be improved. FIXME? */ ORDER_UINT(start, end); ORDER_UINT(end, old_end); ORDER_UINT(start, old_start); ORDER_UINT(old_start, old_end); if (end != old_start) { /* * One can also do * ORDER_UINT32(end, old_start); * EDIT_InvalidateText(hwnd, es, start, end); * EDIT_InvalidateText(hwnd, es, old_start, old_end); * in place of the following if statement. */ if (old_start > end ) { EDIT_InvalidateText(hwnd, es, start, end); EDIT_InvalidateText(hwnd, es, old_start, old_end); } else { EDIT_InvalidateText(hwnd, es, start, old_start); EDIT_InvalidateText(hwnd, es, end, old_end); } } else EDIT_InvalidateText(hwnd, es, start, old_end); } /********************************************************************* * * EM_SETTABSTOPS * */ static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs) { if (!(es->style & ES_MULTILINE)) return FALSE; if (es->tabs) HeapFree(GetProcessHeap(), 0, es->tabs); es->tabs_count = count; if (!count) es->tabs = NULL; else { es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT)); memcpy(es->tabs, tabs, count * sizeof(INT)); } return TRUE; } /********************************************************************* * * EM_SETTABSTOPS16 * */ static BOOL EDIT_EM_SetTabStops16(EDITSTATE *es, INT count, LPINT16 tabs) { if (!(es->style & ES_MULTILINE)) return FALSE; if (es->tabs) HeapFree(GetProcessHeap(), 0, es->tabs); es->tabs_count = count; if (!count) es->tabs = NULL; else { INT i; es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT)); for (i = 0 ; i < count ; i++) es->tabs[i] = *tabs++; } return TRUE; } /********************************************************************* * * EM_SETWORDBREAKPROC * */ static void EDIT_EM_SetWordBreakProc(HWND hwnd, EDITSTATE *es, LPARAM lParam) { if (es->word_break_proc == (void *)lParam) return; es->word_break_proc = (void *)lParam; es->word_break_proc16 = NULL; if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) { EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); EDIT_UpdateText(hwnd, es, NULL, TRUE); } } #ifndef __WIN32OS2__ /********************************************************************* * * EM_SETWORDBREAKPROC16 * */ static void EDIT_EM_SetWordBreakProc16(HWND hwnd, EDITSTATE *es, EDITWORDBREAKPROC16 wbp) { if (es->word_break_proc16 == wbp) return; es->word_break_proc = NULL; es->word_break_proc16 = wbp; if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) { EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); EDIT_UpdateText(hwnd, es, NULL, TRUE); } } #endif /********************************************************************* * * EM_UNDO / WM_UNDO * */ static BOOL EDIT_EM_Undo(HWND hwnd, EDITSTATE *es) { INT ulength; LPWSTR utext; /* Protect read-only edit control from modification */ if(es->style & ES_READONLY) return FALSE; ulength = strlenW(es->undo_text); utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR)); strcpyW(utext, es->undo_text); TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n", es->undo_insert_count, debugstr_w(utext)); EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE); EDIT_EM_EmptyUndoBuffer(es); EDIT_EM_ReplaceSel(hwnd, es, TRUE, utext, FALSE); EDIT_EM_SetSel(hwnd, es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE); /* send the notification after the selection start and end are set */ EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE"); EDIT_EM_ScrollCaret(hwnd, es); HeapFree(GetProcessHeap(), 0, utext); TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n", es->undo_insert_count, debugstr_w(es->undo_text)); return TRUE; } /********************************************************************* * * WM_CHAR * */ static void EDIT_WM_Char(HWND hwnd, EDITSTATE *es, WCHAR c) { BOOL control; /* Protect read-only edit control from modification */ if(es->style & ES_READONLY) return; control = GetKeyState(VK_CONTROL) & 0x8000; switch (c) { case '\r': /* If the edit doesn't want the return and it's not a multiline edit, do nothing */ if(!(es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN)) break; case '\n': if (es->style & ES_MULTILINE) { if (es->style & ES_READONLY) { EDIT_MoveHome(hwnd, es, FALSE); EDIT_MoveDown_ML(hwnd, es, FALSE); } else { static const WCHAR cr_lfW[] = {'\r','\n',0}; EDIT_EM_ReplaceSel(hwnd, es, TRUE, cr_lfW, TRUE); } } break; case '\t': if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY)) { static const WCHAR tabW[] = {'\t',0}; EDIT_EM_ReplaceSel(hwnd, es, TRUE, tabW, TRUE); } break; case VK_BACK: if (!(es->style & ES_READONLY) && !control) { if (es->selection_start != es->selection_end) EDIT_WM_Clear(hwnd, es); else { /* delete character left of caret */ EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); EDIT_MoveBackward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } } break; case 0x03: /* ^C */ SendMessageW(hwnd, WM_COPY, 0, 0); break; case 0x16: /* ^V */ SendMessageW(hwnd, WM_PASTE, 0, 0); break; case 0x18: /* ^X */ SendMessageW(hwnd, WM_CUT, 0, 0); break; default: if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127)) { WCHAR str[2]; str[0] = c; str[1] = '\0'; EDIT_EM_ReplaceSel(hwnd, es, TRUE, str, TRUE); } break; } } /********************************************************************* * * WM_COMMAND * */ static void EDIT_WM_Command(HWND hwnd, EDITSTATE *es, INT code, INT id, HWND control) { if (code || control) return; switch (id) { case EM_UNDO: EDIT_EM_Undo(hwnd, es); break; case WM_CUT: EDIT_WM_Cut(hwnd, es); break; case WM_COPY: EDIT_WM_Copy(hwnd, es); break; case WM_PASTE: EDIT_WM_Paste(hwnd, es); break; case WM_CLEAR: EDIT_WM_Clear(hwnd, es); break; case EM_SETSEL: EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE); EDIT_EM_ScrollCaret(hwnd, es); break; default: ERR("unknown menu item, please report\n"); break; } } /********************************************************************* * * WM_CONTEXTMENU * * Note: the resource files resource/sysres_??.rc cannot define a * single popup menu. Hence we use a (dummy) menubar * containing the single popup menu as its first item. * * FIXME: the message identifiers have been chosen arbitrarily, * hence we use MF_BYPOSITION. * We might as well use the "real" values (anybody knows ?) * The menu definition is in resources/sysres_??.rc. * Once these are OK, we better use MF_BYCOMMAND here * (as we do in EDIT_WM_Command()). * */ static void EDIT_WM_ContextMenu(HWND hwnd, EDITSTATE *es, INT x, INT y) { HMENU menu = LoadMenuA(GetModuleHandleA("USER32"), "EDITMENU"); HMENU popup = GetSubMenu(menu, 0); UINT start = es->selection_start; UINT end = es->selection_end; ORDER_UINT(start, end); /* undo */ EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); /* cut */ EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); /* copy */ EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED)); /* paste */ EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); /* delete */ EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED)); /* select all */ EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED)); TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, hwnd, NULL); DestroyMenu(menu); } /********************************************************************* * * WM_COPY * */ static void EDIT_WM_Copy(HWND hwnd, EDITSTATE *es) { INT s = es->selection_start; INT e = es->selection_end; HGLOBAL hdst; LPWSTR dst; if (e == s) return; ORDER_INT(s, e); hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (DWORD)(e - s + 1) * sizeof(WCHAR)); dst = GlobalLock(hdst); strncpyW(dst, es->text + s, e - s); dst[e - s ] = 0; /* ensure 0 termination */ TRACE("%s\n", debugstr_w(dst)); GlobalUnlock(hdst); OpenClipboard(hwnd); EmptyClipboard(); SetClipboardData(CF_UNICODETEXT, hdst); CloseClipboard(); } /********************************************************************* * * WM_CREATE * */ static LRESULT EDIT_WM_Create(HWND hwnd, EDITSTATE *es, LPCWSTR name) { TRACE("%s\n", debugstr_w(name)); /* * To initialize some final structure members, we call some helper * functions. However, since the EDITSTATE is not consistent (i.e. * not fully initialized), we should be very careful which * functions can be called, and in what order. */ EDIT_WM_SetFont(hwnd, es, 0, FALSE); EDIT_EM_EmptyUndoBuffer(es); if (name && *name) { EDIT_EM_ReplaceSel(hwnd, es, FALSE, name, FALSE); /* if we insert text to the editline, the text scrolls out * of the window, as the caret is placed after the insert * pos normally; thus we reset es->selection... to 0 and * update caret */ es->selection_start = es->selection_end = 0; /* send the notification after the selection start and end are set */ EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE"); EDIT_EM_ScrollCaret(hwnd, es); } /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); return 0; } /********************************************************************* * * WM_DESTROY * */ static void EDIT_WM_Destroy(HWND hwnd, EDITSTATE *es) { HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE ); LINEDEF *pc, *pp; if (es->hloc32W) { while (LocalUnlock(es->hloc32W)) ; LocalFree(es->hloc32W); } if (es->hloc32A) { while (LocalUnlock(es->hloc32A)) ; LocalFree(es->hloc32A); } #ifndef __WIN32OS2__ if (es->hloc16) { while (LOCAL_Unlock(hInstance, es->hloc16)) ; LOCAL_Free(hInstance, es->hloc16); } #endif pc = es->first_line_def; while (pc) { pp = pc->next; HeapFree(GetProcessHeap(), 0, pc); pc = pp; } SetWindowLongA( hwnd, 0, 0 ); HeapFree(GetProcessHeap(), 0, es); } /********************************************************************* * * WM_ERASEBKGND * */ static LRESULT EDIT_WM_EraseBkGnd(HWND hwnd, EDITSTATE *es, HDC dc) { HBRUSH brush; RECT rc; if ( get_app_version() >= 0x40000 &&( !es->bEnableState || (es->style & ES_READONLY))) brush = (HBRUSH)EDIT_SEND_CTLCOLORSTATIC(hwnd, dc); else brush = (HBRUSH)EDIT_SEND_CTLCOLOR(hwnd, dc); if (!brush) brush = (HBRUSH)GetStockObject(WHITE_BRUSH); GetClientRect(hwnd, &rc); IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom); GetClipBox(dc, &rc); /* * FIXME: specs say that we should UnrealizeObject() the brush, * but the specs of UnrealizeObject() say that we shouldn't * unrealize a stock object. The default brush that * DefWndProc() returns is ... a stock object. */ FillRect(dc, &rc, brush); return -1; } /********************************************************************* * * WM_GETTEXT * */ static INT EDIT_WM_GetText(EDITSTATE *es, INT count, LPARAM lParam, BOOL unicode) { if(!count) return 0; if(unicode) { LPWSTR textW = (LPWSTR)lParam; strncpyW(textW, es->text, count); textW[count - 1] = 0; /* ensure 0 termination */ return strlenW(textW); } else { LPSTR textA = (LPSTR)lParam; WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL); #ifdef __WIN32OS2__ lstrtrunc( textA, count ); #else textA[count - 1] = 0; /* ensure 0 termination */ #endif return strlen(textA); } } /********************************************************************* * * WM_HSCROLL * */ static LRESULT EDIT_WM_HScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos) { INT dx; INT fw; if (!(es->style & ES_MULTILINE)) return 0; if (!(es->style & ES_AUTOHSCROLL)) return 0; dx = 0; fw = es->format_rect.right - es->format_rect.left; switch (action) { case SB_LINELEFT: TRACE("SB_LINELEFT\n"); if (es->x_offset) dx = -es->char_width; break; case SB_LINERIGHT: TRACE("SB_LINERIGHT\n"); if (es->x_offset < es->text_width) dx = es->char_width; break; case SB_PAGELEFT: TRACE("SB_PAGELEFT\n"); if (es->x_offset) dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width; break; case SB_PAGERIGHT: TRACE("SB_PAGERIGHT\n"); if (es->x_offset < es->text_width) dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width; break; case SB_LEFT: TRACE("SB_LEFT\n"); if (es->x_offset) dx = -es->x_offset; break; case SB_RIGHT: TRACE("SB_RIGHT\n"); if (es->x_offset < es->text_width) dx = es->text_width - es->x_offset; break; case SB_THUMBTRACK: TRACE("SB_THUMBTRACK %d\n", pos); es->flags |= EF_HSCROLL_TRACK; if(es->style & WS_HSCROLL) dx = pos - es->x_offset; else { INT fw, new_x; /* Sanity check */ if(pos < 0 || pos > 100) return 0; /* Assume default scroll range 0-100 */ fw = es->format_rect.right - es->format_rect.left; new_x = pos * (es->text_width - fw) / 100; dx = es->text_width ? (new_x - es->x_offset) : 0; } break; case SB_THUMBPOSITION: TRACE("SB_THUMBPOSITION %d\n", pos); es->flags &= ~EF_HSCROLL_TRACK; if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL) dx = pos - es->x_offset; else { INT fw, new_x; /* Sanity check */ if(pos < 0 || pos > 100) return 0; /* Assume default scroll range 0-100 */ fw = es->format_rect.right - es->format_rect.left; new_x = pos * (es->text_width - fw) / 100; dx = es->text_width ? (new_x - es->x_offset) : 0; } if (!dx) { /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); EDIT_NOTIFY_PARENT(hwnd, es, EN_HSCROLL, "EN_HSCROLL"); } break; case SB_ENDSCROLL: TRACE("SB_ENDSCROLL\n"); break; /* * FIXME : the next two are undocumented ! * Are we doing the right thing ? * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way, * although it's also a regular control message. */ case EM_GETTHUMB: /* this one is used by NT notepad */ case EM_GETTHUMB16: { LRESULT ret; if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_HSCROLL) ret = GetScrollPos(hwnd, SB_HORZ); else { /* Assume default scroll range 0-100 */ INT fw = es->format_rect.right - es->format_rect.left; ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0; } TRACE("EM_GETTHUMB: returning %ld\n", ret); return ret; } case EM_LINESCROLL16: TRACE("EM_LINESCROLL16\n"); dx = pos; break; default: ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n", action, action); return 0; } if (dx) { INT fw = es->format_rect.right - es->format_rect.left; /* check if we are going to move too far */ if(es->x_offset + dx + fw > es->text_width) dx = es->text_width - fw - es->x_offset; if(dx) EDIT_EM_LineScroll_internal(hwnd, es, dx, 0); } return 0; } /********************************************************************* * * EDIT_CheckCombo * */ static BOOL EDIT_CheckCombo(HWND hwnd, EDITSTATE *es, UINT msg, INT key) { HWND hLBox = es->hwndListBox; HWND hCombo; BOOL bDropped; int nEUI; if (!hLBox) return FALSE; hCombo = GetParent(hwnd); bDropped = TRUE; nEUI = 0; TRACE_(combo)("[%04x]: handling msg %04x (%04x)\n", hwnd, (UINT16)msg, (UINT16)key); if (key == VK_UP || key == VK_DOWN) { if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0)) nEUI = 1; if (msg == WM_KEYDOWN || nEUI) bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0); } switch (msg) { case WM_KEYDOWN: if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN)) { /* make sure ComboLBox pops up */ SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0); key = VK_F4; nEUI = 2; } SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)key, 0); break; case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */ if (nEUI) SendMessageW(hCombo, CB_SHOWDROPDOWN, bDropped ? FALSE : TRUE, 0); else SendMessageW(hLBox, WM_KEYDOWN, (WPARAM)VK_F4, 0); break; } if(nEUI == 2) SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0); return TRUE; } /********************************************************************* * * WM_KEYDOWN * * Handling of special keys that don't produce a WM_CHAR * (i.e. non-printable keys) & Backspace & Delete * */ static LRESULT EDIT_WM_KeyDown(HWND hwnd, EDITSTATE *es, INT key) { BOOL shift; BOOL control; if (GetKeyState(VK_MENU) & 0x8000) return 0; shift = GetKeyState(VK_SHIFT) & 0x8000; control = GetKeyState(VK_CONTROL) & 0x8000; switch (key) { case VK_F4: case VK_UP: if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key) || key == VK_F4) break; /* fall through */ case VK_LEFT: if ((es->style & ES_MULTILINE) && (key == VK_UP)) EDIT_MoveUp_ML(hwnd, es, shift); else if (control) EDIT_MoveWordBackward(hwnd, es, shift); else EDIT_MoveBackward(hwnd, es, shift); break; case VK_DOWN: if (EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key)) break; /* fall through */ case VK_RIGHT: if ((es->style & ES_MULTILINE) && (key == VK_DOWN)) EDIT_MoveDown_ML(hwnd, es, shift); else if (control) EDIT_MoveWordForward(hwnd, es, shift); else EDIT_MoveForward(hwnd, es, shift); break; case VK_HOME: EDIT_MoveHome(hwnd, es, shift); break; case VK_END: EDIT_MoveEnd(hwnd, es, shift); break; case VK_PRIOR: if (es->style & ES_MULTILINE) EDIT_MovePageUp_ML(hwnd, es, shift); else EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key); break; case VK_NEXT: if (es->style & ES_MULTILINE) EDIT_MovePageDown_ML(hwnd, es, shift); else EDIT_CheckCombo(hwnd, es, WM_KEYDOWN, key); break; case VK_DELETE: if (!(es->style & ES_READONLY) && !(shift && control)) { if (es->selection_start != es->selection_end) { if (shift) EDIT_WM_Cut(hwnd, es); else EDIT_WM_Clear(hwnd, es); } else { if (shift) { /* delete character left of caret */ EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); EDIT_MoveBackward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } else if (control) { /* delete to end of line */ EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); EDIT_MoveEnd(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } else { /* delete character right of caret */ EDIT_EM_SetSel(hwnd, es, (UINT)-1, 0, FALSE); EDIT_MoveForward(hwnd, es, TRUE); EDIT_WM_Clear(hwnd, es); } } } break; case VK_INSERT: if (shift) { if (!(es->style & ES_READONLY)) EDIT_WM_Paste(hwnd, es); } else if (control) EDIT_WM_Copy(hwnd, es); break; case VK_RETURN: /* If the edit doesn't want the return send a message to the default object */ if(!(es->style & ES_WANTRETURN)) { HWND hwndParent = GetParent(hwnd); DWORD dw = SendMessageW( hwndParent, DM_GETDEFID, 0, 0 ); if (HIWORD(dw) == DC_HASDEFID) { SendMessageW( hwndParent, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ), (LPARAM)GetDlgItem( hwndParent, LOWORD(dw) ) ); } } break; } return 0; } /********************************************************************* * * WM_KILLFOCUS * */ static LRESULT EDIT_WM_KillFocus(HWND hwnd, EDITSTATE *es) { es->flags &= ~EF_FOCUSED; DestroyCaret(); if(!(es->style & ES_NOHIDESEL)) EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end); EDIT_NOTIFY_PARENT(hwnd, es, EN_KILLFOCUS, "EN_KILLFOCUS"); return 0; } /********************************************************************* * * WM_LBUTTONDBLCLK * * The caret position has been set on the WM_LBUTTONDOWN message * */ static LRESULT EDIT_WM_LButtonDblClk(HWND hwnd, EDITSTATE *es) { INT s; INT e = es->selection_end; INT l; INT li; INT ll; if (!(es->flags & EF_FOCUSED)) return 0; l = EDIT_EM_LineFromChar(es, e); li = EDIT_EM_LineIndex(es, l); ll = EDIT_EM_LineLength(es, e); s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT); e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT); EDIT_EM_SetSel(hwnd, es, s, e, FALSE); EDIT_EM_ScrollCaret(hwnd, es); return 0; } /********************************************************************* * * WM_LBUTTONDOWN * */ static LRESULT EDIT_WM_LButtonDown(HWND hwnd, EDITSTATE *es, DWORD keys, INT x, INT y) { INT e; BOOL after_wrap; if (!(es->flags & EF_FOCUSED)) return 0; es->bCaptureState = TRUE; SetCapture(hwnd); EDIT_ConfinePoint(es, &x, &y); e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap); EDIT_EM_SetSel(hwnd, es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap); EDIT_EM_ScrollCaret(hwnd, es); es->region_posx = es->region_posy = 0; SetTimer(hwnd, 0, 100, NULL); return 0; } /********************************************************************* * * WM_LBUTTONUP * */ static LRESULT EDIT_WM_LButtonUp(HWND hwndSelf, EDITSTATE *es) { #ifdef __WIN32OS2__ if (es->bCaptureState) { KillTimer(hwndSelf, 0); if(GetCapture() == hwndSelf) ReleaseCapture(); } #else if (es->bCaptureState && GetCapture() == hwndSelf) { KillTimer(hwndSelf, 0); ReleaseCapture(); } #endif es->bCaptureState = FALSE; return 0; } /********************************************************************* * * WM_MBUTTONDOWN * */ static LRESULT EDIT_WM_MButtonDown(HWND hwnd) { SendMessageW(hwnd,WM_PASTE,0,0); return 0; } /********************************************************************* * * WM_MOUSEMOVE * */ static LRESULT EDIT_WM_MouseMove(HWND hwnd, EDITSTATE *es, INT x, INT y) { INT e; BOOL after_wrap; INT prex, prey; if (GetCapture() != hwnd) return 0; /* * FIXME: gotta do some scrolling if outside client * area. Maybe reset the timer ? */ prex = x; prey = y; EDIT_ConfinePoint(es, &x, &y); es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0); es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0); e = EDIT_CharFromPos(hwnd, es, x, y, &after_wrap); EDIT_EM_SetSel(hwnd, es, es->selection_start, e, after_wrap); return 0; } /********************************************************************* * * WM_NCCREATE * * See also EDIT_WM_StyleChanged */ static LRESULT EDIT_WM_NCCreate(HWND hwnd, DWORD style, HWND hwndParent, BOOL unicode) { EDITSTATE *es; UINT alloc_size; TRACE("Creating %s edit control, style = %08lx\n", unicode ? "Unicode" : "ANSI", style); if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es)))) return FALSE; SetWindowLongA( hwnd, 0, (LONG)es ); /* * Note: since the EDITSTATE has not been fully initialized yet, * we can't use any API calls that may send * WM_XXX messages before WM_NCCREATE is completed. */ es->is_unicode = unicode; es->style = style; es->bEnableState = !(style & WS_DISABLED); /* Save parent, which will be notified by EN_* messages */ es->hwndParent = hwndParent; if (es->style & ES_COMBO) es->hwndListBox = GetDlgItem(hwndParent, ID_CB_LISTBOX); /* Number overrides lowercase overrides uppercase (at least it * does in Win95). However I'll bet that ES_NUMBER would be * invalid under Win 3.1. */ if (es->style & ES_NUMBER) { ; /* do not override the ES_NUMBER */ } else if (es->style & ES_LOWERCASE) { es->style &= ~ES_UPPERCASE; } if (es->style & ES_MULTILINE) { es->buffer_limit = BUFLIMIT_MULTI; if (es->style & WS_VSCROLL) es->style |= ES_AUTOVSCROLL; if (es->style & WS_HSCROLL) es->style |= ES_AUTOHSCROLL; es->style &= ~ES_PASSWORD; if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) { /* Confirmed - RIGHT overrides CENTER */ if (es->style & ES_RIGHT) es->style &= ~ES_CENTER; es->style &= ~WS_HSCROLL; es->style &= ~ES_AUTOHSCROLL; } /* FIXME: for now, all multi line controls are AUTOVSCROLL */ es->style |= ES_AUTOVSCROLL; } else { es->buffer_limit = BUFLIMIT_SINGLE; if (WIN31_LOOK == TWEAK_WineLook || WIN95_LOOK == TWEAK_WineLook) { es->style &= ~ES_CENTER; es->style &= ~ES_RIGHT; } else { if (es->style & ES_RIGHT) es->style &= ~ES_CENTER; } es->style &= ~WS_HSCROLL; es->style &= ~WS_VSCROLL; es->style &= ~ES_AUTOVSCROLL; es->style &= ~ES_WANTRETURN; if (es->style & ES_PASSWORD) es->password_char = '*'; /* FIXME: for now, all single line controls are AUTOHSCROLL */ es->style |= ES_AUTOHSCROLL; } alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR)); if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size))) return FALSE; es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1; if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR)))) return FALSE; es->undo_buffer_size = es->buffer_size; if (es->style & ES_MULTILINE) if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF)))) return FALSE; es->line_count = 1; /* * In Win95 look and feel, the WS_BORDER style is replaced by the * WS_EX_CLIENTEDGE style for the edit control. This gives the edit * control a non client area. Not always. This coordinates in some * way with the window creation code in dialog.c When making * modifications please ensure that the code still works for edit * controls created directly with style 0x50800000, exStyle 0 ( * which should have a single pixel border) */ if (TWEAK_WineLook != WIN31_LOOK) { es->style &= ~WS_BORDER; } else { if ((es->style & WS_BORDER) && !(es->style & WS_DLGFRAME)) SetWindowLongA( hwnd, GWL_STYLE, GetWindowLongA( hwnd, GWL_STYLE ) & ~WS_BORDER ); } #ifdef __WIN32OS2__ es->compStr = NULL; es->compStrLen = 0; es->moveCaret = TRUE; { HIMC himc; DWORD conversionMode; himc = ImmGetContext( hwnd ); ImmGetConversionStatus( himc, &conversionMode, &es->sentenceMode ); ImmReleaseContext( hwnd, himc ); } #endif return TRUE; } /********************************************************************* * * WM_PAINT * */ static void EDIT_WM_Paint(HWND hwnd, EDITSTATE *es, WPARAM wParam) { PAINTSTRUCT ps; INT i; HDC dc; HFONT old_font = 0; RECT rc; RECT rcLine; RECT rcRgn; BOOL rev = es->bEnableState && ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL)); if (!wParam) dc = BeginPaint(hwnd, &ps); else dc = (HDC) wParam; if(es->style & WS_BORDER) { GetClientRect(hwnd, &rc); if(es->style & ES_MULTILINE) { if(es->style & WS_HSCROLL) rc.bottom++; if(es->style & WS_VSCROLL) rc.right++; } Rectangle(dc, rc.left, rc.top, rc.right, rc.bottom); } IntersectClipRect(dc, es->format_rect.left, es->format_rect.top, es->format_rect.right, es->format_rect.bottom); if (es->style & ES_MULTILINE) { GetClientRect(hwnd, &rc); IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom); } if (es->font) old_font = SelectObject(dc, es->font); if ( get_app_version() >= 0x40000 &&( !es->bEnableState || (es->style & ES_READONLY))) EDIT_SEND_CTLCOLORSTATIC(hwnd, dc); else EDIT_SEND_CTLCOLOR(hwnd, dc); if (!es->bEnableState) SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT)); GetClipBox(dc, &rcRgn); if (es->style & ES_MULTILINE) { INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) { EDIT_GetLineRect(hwnd, es, i, 0, -1, &rcLine); if (IntersectRect(&rc, &rcRgn, &rcLine)) EDIT_PaintLine(hwnd, es, dc, i, rev); } } else { EDIT_GetLineRect(hwnd, es, 0, 0, -1, &rcLine); if (IntersectRect(&rc, &rcRgn, &rcLine)) EDIT_PaintLine(hwnd, es, dc, 0, rev); } if (es->font) SelectObject(dc, old_font); if (!wParam) EndPaint(hwnd, &ps); } /********************************************************************* * * WM_PASTE * */ static void EDIT_WM_Paste(HWND hwnd, EDITSTATE *es) { HGLOBAL hsrc; LPWSTR src; /* Protect read-only edit control from modification */ if(es->style & ES_READONLY) return; OpenClipboard(hwnd); if ((hsrc = GetClipboardData(CF_UNICODETEXT)) != 0) { src = (LPWSTR)GlobalLock(hsrc); EDIT_EM_ReplaceSel(hwnd, es, TRUE, src, TRUE); GlobalUnlock(hsrc); } CloseClipboard(); } /********************************************************************* * * WM_SETFOCUS * */ static void EDIT_WM_SetFocus(HWND hwnd, EDITSTATE *es) { es->flags |= EF_FOCUSED; CreateCaret(hwnd, 0, 2, es->line_height); EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); if(!(es->style & ES_NOHIDESEL)) EDIT_InvalidateText(hwnd, es, es->selection_start, es->selection_end); ShowCaret(hwnd); EDIT_NOTIFY_PARENT(hwnd, es, EN_SETFOCUS, "EN_SETFOCUS"); } /********************************************************************* * * WM_SETFONT * * With Win95 look the margins are set to default font value unless * the system font (font == 0) is being set, in which case they are left * unchanged. * */ static void EDIT_WM_SetFont(HWND hwnd, EDITSTATE *es, HFONT font, BOOL redraw) { TEXTMETRICW tm; HDC dc; HFONT old_font = 0; RECT r; es->font = font; dc = GetDC(hwnd); #ifdef __WIN32OS2__ // todo : set font of IME window #endif if (font) old_font = SelectObject(dc, font); GetTextMetricsW(dc, &tm); es->line_height = tm.tmHeight; es->char_width = tm.tmAveCharWidth; if (font) SelectObject(dc, old_font); ReleaseDC(hwnd, dc); if (font && (TWEAK_WineLook > WIN31_LOOK)) EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN, EC_USEFONTINFO, EC_USEFONTINFO); /* Force the recalculation of the format rect for each font change */ GetClientRect(hwnd, &r); EDIT_SetRectNP(hwnd, es, &r); if (es->style & ES_MULTILINE) EDIT_BuildLineDefs_ML(hwnd, es, 0, strlenW(es->text), 0, (HRGN)0); else EDIT_CalcLineWidth_SL(hwnd, es); if (redraw) EDIT_UpdateText(hwnd, es, NULL, TRUE); if (es->flags & EF_FOCUSED) { DestroyCaret(); CreateCaret(hwnd, 0, 2, es->line_height); EDIT_SetCaretPos(hwnd, es, es->selection_end, es->flags & EF_AFTER_WRAP); ShowCaret(hwnd); } } /********************************************************************* * * WM_SETTEXT * * NOTES * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers: * The modified flag is reset. No notifications are sent. * * For single-line controls, reception of WM_SETTEXT triggers: * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent. * */ static void EDIT_WM_SetText(HWND hwnd, EDITSTATE *es, LPARAM lParam, BOOL unicode) { LPWSTR text = NULL; if(unicode) text = (LPWSTR)lParam; else if (lParam) { LPCSTR textA = (LPCSTR)lParam; INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0); if((text = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))) != NULL) MultiByteToWideChar(CP_ACP, 0, textA, -1, text, countW); } EDIT_EM_SetSel(hwnd, es, 0, (UINT)-1, FALSE); if (text) { TRACE("%s\n", debugstr_w(text)); EDIT_EM_ReplaceSel(hwnd, es, FALSE, text, FALSE); if(!unicode) HeapFree(GetProcessHeap(), 0, text); } else { static const WCHAR empty_stringW[] = {0}; TRACE("\n"); EDIT_EM_ReplaceSel(hwnd, es, FALSE, empty_stringW, FALSE); } es->x_offset = 0; es->flags &= ~EF_MODIFIED; EDIT_EM_SetSel(hwnd, es, 0, 0, FALSE); /* Send the notification after the selection start and end have been set * edit control doesn't send notification on WM_SETTEXT * if it is multiline, or it is part of combobox */ if( !((es->style & ES_MULTILINE) || es->hwndListBox)) { EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE"); EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE"); } EDIT_EM_ScrollCaret(hwnd, es); } /********************************************************************* * * WM_SIZE * */ static void EDIT_WM_Size(HWND hwnd, EDITSTATE *es, UINT action, INT width, INT height) { if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) { RECT rc; TRACE("width = %d, height = %d\n", width, height); SetRect(&rc, 0, 0, width, height); EDIT_SetRectNP(hwnd, es, &rc); EDIT_UpdateText(hwnd, es, NULL, TRUE); } } /********************************************************************* * * WM_STYLECHANGED * * This message is sent by SetWindowLong on having changed either the Style * or the extended style. * * We ensure that the window's version of the styles and the EDITSTATE's agree. * * See also EDIT_WM_NCCreate * * It appears that the Windows version of the edit control allows the style * (as retrieved by GetWindowLong) to be any value and maintains an internal * style variable which will generally be different. In this function we * update the internal style based on what changed in the externally visible * style. * * Much of this content as based upon the MSDN, especially: * Platform SDK Documentation -> User Interface Services -> * Windows User Interface -> Edit Controls -> Edit Control Reference -> * Edit Control Styles */ static LRESULT EDIT_WM_StyleChanged (HWND hwnd, EDITSTATE *es, WPARAM which, const STYLESTRUCT *style) { if (GWL_STYLE == which) { DWORD style_change_mask; DWORD new_style; /* Only a subset of changes can be applied after the control * has been created. */ style_change_mask = ES_UPPERCASE | ES_LOWERCASE | ES_NUMBER; if (es->style & ES_MULTILINE) style_change_mask |= ES_WANTRETURN; new_style = style->styleNew & style_change_mask; /* Number overrides lowercase overrides uppercase (at least it * does in Win95). However I'll bet that ES_NUMBER would be * invalid under Win 3.1. */ if (new_style & ES_NUMBER) { ; /* do not override the ES_NUMBER */ } else if (new_style & ES_LOWERCASE) { new_style &= ~ES_UPPERCASE; } es->style = (es->style & ~style_change_mask) | new_style; } else if (GWL_EXSTYLE == which) { ; /* FIXME - what is needed here */ } else { WARN ("Invalid style change %d\n",which); } return 0; } /********************************************************************* * * WM_SYSKEYDOWN * */ static LRESULT EDIT_WM_SysKeyDown(HWND hwnd, EDITSTATE *es, INT key, DWORD key_data) { if ((key == VK_BACK) && (key_data & 0x2000)) { if (EDIT_EM_CanUndo(es)) EDIT_EM_Undo(hwnd, es); return 0; } else if (key == VK_UP || key == VK_DOWN) { if (EDIT_CheckCombo(hwnd, es, WM_SYSKEYDOWN, key)) return 0; } return DefWindowProcW(hwnd, WM_SYSKEYDOWN, (WPARAM)key, (LPARAM)key_data); } /********************************************************************* * * WM_TIMER * */ static void EDIT_WM_Timer(HWND hwnd, EDITSTATE *es) { if (es->region_posx < 0) { EDIT_MoveBackward(hwnd, es, TRUE); } else if (es->region_posx > 0) { EDIT_MoveForward(hwnd, es, TRUE); } /* * FIXME: gotta do some vertical scrolling here, like * EDIT_EM_LineScroll(hwnd, 0, 1); */ } /********************************************************************* * * WM_VSCROLL * */ static LRESULT EDIT_WM_VScroll(HWND hwnd, EDITSTATE *es, INT action, INT pos) { INT dy; if (!(es->style & ES_MULTILINE)) return 0; if (!(es->style & ES_AUTOVSCROLL)) return 0; dy = 0; switch (action) { case SB_LINEUP: case SB_LINEDOWN: case SB_PAGEUP: case SB_PAGEDOWN: TRACE("action %d\n", action); EDIT_EM_Scroll(hwnd, es, action); return 0; case SB_TOP: TRACE("SB_TOP\n"); dy = -es->y_offset; break; case SB_BOTTOM: TRACE("SB_BOTTOM\n"); dy = es->line_count - 1 - es->y_offset; break; case SB_THUMBTRACK: TRACE("SB_THUMBTRACK %d\n", pos); es->flags |= EF_VSCROLL_TRACK; if(es->style & WS_VSCROLL) dy = pos - es->y_offset; else { /* Assume default scroll range 0-100 */ INT vlc, new_y; /* Sanity check */ if(pos < 0 || pos > 100) return 0; vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; new_y = pos * (es->line_count - vlc) / 100; dy = es->line_count ? (new_y - es->y_offset) : 0; TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n", es->line_count, es->y_offset, pos, dy); } break; case SB_THUMBPOSITION: TRACE("SB_THUMBPOSITION %d\n", pos); es->flags &= ~EF_VSCROLL_TRACK; if(es->style & WS_VSCROLL) dy = pos - es->y_offset; else { /* Assume default scroll range 0-100 */ INT vlc, new_y; /* Sanity check */ if(pos < 0 || pos > 100) return 0; vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; new_y = pos * (es->line_count - vlc) / 100; dy = es->line_count ? (new_y - es->y_offset) : 0; TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n", es->line_count, es->y_offset, pos, dy); } if (!dy) { /* force scroll info update */ EDIT_UpdateScrollInfo(hwnd, es); EDIT_NOTIFY_PARENT(hwnd, es, EN_VSCROLL, "EN_VSCROLL"); } break; case SB_ENDSCROLL: TRACE("SB_ENDSCROLL\n"); break; /* * FIXME : the next two are undocumented ! * Are we doing the right thing ? * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way, * although it's also a regular control message. */ case EM_GETTHUMB: /* this one is used by NT notepad */ case EM_GETTHUMB16: { LRESULT ret; if(GetWindowLongA( hwnd, GWL_STYLE ) & WS_VSCROLL) ret = GetScrollPos(hwnd, SB_VERT); else { /* Assume default scroll range 0-100 */ INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height; ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0; } TRACE("EM_GETTHUMB: returning %ld\n", ret); return ret; } case EM_LINESCROLL16: TRACE("EM_LINESCROLL16 %d\n", pos); dy = pos; break; default: ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n", action, action); return 0; } if (dy) EDIT_EM_LineScroll(hwnd, es, 0, dy); return 0; } /********************************************************************* * * EDIT_UpdateText * */ static void EDIT_UpdateTextRegion(HWND hwnd, EDITSTATE *es, HRGN hrgn, BOOL bErase) { if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE"); InvalidateRgn(hwnd, hrgn, bErase); } /********************************************************************* * * EDIT_UpdateText * */ static void EDIT_UpdateText(HWND hwnd, EDITSTATE *es, LPRECT rc, BOOL bErase) { if (es->flags & EF_UPDATE) EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE"); InvalidateRect(hwnd, rc, bErase); }